Tome 9 (1971) no. 5
Sommaire
p. 483-494
p. 495-500
A~relation between spline approximation and the problem of the approximation of one class by another
p. 501-510
p. 511-520
p. 521-531
p. 533-542
p. 543-550
p. 569-573
p. 575-583
p. 593-607