| Algorithms and complexity: new directions and recent results JF Traub Academic Press, Inc., 1976 | 48 | 1976 |
| Estimates of n-widths of Sobolev's classes on compact globally symmetric spaces of rank one B Bordin, AK Kushpel, J Levesley, SA Tozoni Journal of Functional Analysis 202 (2), 307-326, 2003 | 46 | 2003 |
| Entropy and widths of multiplier operators on two-point homogeneous spaces A Kushpel, SA Tozoni Constructive Approximation 35 (2), 137-180, 2012 | 40 | 2012 |
| On the Asymptotically Optimal Rate of Approximation of Multiplier Operators from L p into L q AK Kushpel, J Levesley, K Wilderotter Constructive approximation 14, 169-185, 1998 | 28 | 1998 |
| Estimates of the Bernstein widths and their analogs AK Kushpel' Ukrainian Mathematical Journal 45, 59-65, 1993 | 27 | 1993 |
| Generalised sk-spline interpolation on compact abelian groups J Levesley, AK Kushpel Journal of approximation theory 97 (2), 311-333, 1999 | 22 | 1999 |
| Sharp estimates of the widths of convolution classes AK Kushpel' Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya 52 (6), 1305-1322, 1988 | 22 | 1988 |
| Interpolation on the torus using sk-splines with number theoretic knots SM Gomes, AK Kushpel, J Levesley, DL Ragozin Journal of approximation theory 98 (1), 56-71, 1999 | 19 | 1999 |
| Optimal cubature formulas on compact homogeneous manifolds A Kushpel Journal of Functional Analysis 257 (5), 1621-1629, 2009 | 17 | 2009 |
| Levy means associated with two-point homogeneous spaces and applications AK Kushpel Annals of the 49o Seminário Brasileiro de Análise, 807-823, 1999 | 17 | 1999 |
| n-Widths of multiplier operators on two-point homogeneous spaces B Bordin, AK Kushpel, J Levesley, S Tozoni Approximation Theory IX 1, 23-30, 1998 | 17 | 1998 |
| On an estimate of Levy means and medians of some distributions on a sphere AK Kushpel Fourier Series and their Applications, Inst. of Math., Kiev, 49-53, 1992 | 17 | 1992 |
| n-Widths of Sobolev’s classes on compact globally symmetric spaces of rank 1 AK Kushpel Trends in Approximation Theory, 201-210, 2001 | 16 | 2001 |
| Estimates of n-widths and ǫ-entropy of Sobolev’s sets on compact globally symmetric spaces of rank 1 AK Kushpel Annals of the 50o Seminário Brasileiro de Análise, 53-66, 1999 | 16 | 1999 |
| Best approximations and widths of classes of periodic functions AI Stepanets, K AK Preprint 84, 1984 | 15 | 1984 |
| Estimates for n-widths of sets of smooth functions on the torus Td A Kushpel, RLB Stabile, SA Tozoni Journal of approximation theory 183, 45-71, 2014 | 14 | 2014 |
| Sharp Orders of N-width of Sobolev's Classes on Compact Globally Symmetric Spaces of Rank 1 AK Kushpel, SA Tozoni UNICAMP, 2002 | 12 | 2002 |
| On the norm of the Fourier-Jacobi projection J Levesley, AK Kushpel Numerical Functional Analysis and Optimization 22 (7-8), 941-952, 2001 | 12 | 2001 |
| Approximation of smooth functions by sk-splines AK Kushpel, J Levesley, WA Light SERIES IN APPROXIMATIONS AND DECOMPOSITIONS 8, 155-180, 1996 | 11 | 1996 |
| Optimal sk-spline approximation and reconstruction on the torus and sphere A Kushpel, C Grandison, DM Ha International Journal of Pure and Applied Mathematics 29 (4), 469, 2006 | 10 | 2006 |
