Approximation theory : proceedings of the conference jointly organized by the Mathematical Institute of the Polish Academy of Sciences and the Institute of Mathematics of the Adam Mickiewicz University, held in Poznan, 22-26 August, 1972
edited by Zbigniew Ciesielski and Julian Musielak.
Warszawa : PWN-Polish Scientific Publishers ; Dordrecht, Holland : D. Reidel, ©1975.
xii, 289 págs. ; 23 cm.
Incluye referencias bibliográficas.
Reseña: MathSciNet, 56 #922