00585nam a2200181Ia 4500 515.73 C569.AT Ciesielski, Zbigniew Approximation theory papers presented at the Stefan Banach International Mathematical Center at the 6th semester held on Sept. 17-Dec. 17, 1975 Warszawa Polish Scientific Publishers 1979 316p. Banach Center Publications v. 4 Stefan Banach International Methematical Center 0 0 0 0 ISI ISI 1998-09-16 0 515.73 C569.AT DP17191 2019-02-14 00:00:00 2019-02-14 BK 11247 11247 11247