00315nam a2200121Ia 4500 230917s9999||||xx |||||||||||||| ||und|| 188862 MAIN English 515 S52B:A Broen, A L Abstract approximation theory. V4: Seminar in anasysis 1969-70 BK 0 0 0 515_000000000000000_S52BA 0 362954 MAIN MAIN 2011-09-14 0 515 S52B:A 96250 2023-09-17 22:12:55 2023-09-17 BK 228380 228380