ON THE FUNDAMENTAL FUNCTION FOR CARDINAL L-SPLINE INTERPOLATION
Chen Han-lin;Hu Ying-sheng;Charles A. Micchelli Institute of Mathematics Academia Sinica;Beijing IBM Research center;Yorktown Heights;New York

..............page:1-17

ON HAKOPIAN INTERPOLATION IN THE DISK
Liang Xue-zhang Institute of Mathematics;Jilin University;China

..............page:37-45

UNIQUENESS OF BEST L APPROXIMATION FROM A CONVEX SET FOR CONTINUOUS FUNCTIONS
Shi Ying-guang Computing Center;Academia Sinica

..............page:19-27

ON ANALYTIC CONTINUATION OF A REAL APPROXIMATION FORMULA
Zhang Pei-xuan Shandong University;China

..............page:29-35

EXISTENCE OF CHEBYSHEV CENTERS IN SPACES OF VECTOR-VALUED CONTINUOUS FUNCTIONS
Ary O. Chiacchio Departamento de Matematica Universidade Estadual de Campinas 13.100 Campinas-SP-Brasil

..............page:81-92

QUANTITATIVE RESULTS ON WALSH EQUICONVERGENCE Ⅱ HERMITE INTERPOLATION AND λ₂-APPROXIMATION
K. G. Ivanov;A. Sharma Insitute of Mathematics Bulgarian Acad. of Science Sofia;Bulgaria Department of Mathematics University of Alberta Edmonton;Canada

..............page:47-64

THE CONVERGENCE ORDER OF THE INTERPOLATION PROCESS BY LAGRANGE POLYNOMIALS
He Jia-xing Changchun Post & Telecommunications Institute;China

..............page:93-97

NEAR CIRCULARITY AND ZEROS OF THE ERROR FUNCTION FOR CHEBYSHEV APPROXIMATION 0N A DISK
Hans-Peter Blatt Lehr stchl fur Mathematik Katholische Universitat Eichstatt;F. R. G.

..............page:65-80