1
Moduli of smoothness.
Book
Other Personal Name(s): ...Ditzian, Z....
2
Approximation theory: conference: proceedings : Poznan, 22.08.72-26.08.72.
Book
Other Personal Name(s): ...Ciesielski, Z....
3
Introduction to functional analysis for scientists and technologists /
Book
Other Personal Name(s): ...Vulikh, B. Z....