00469nam a22001697a 4500 OSt 20220103112729.0 220103b |||||||| |||| 00| 0 eng d 9788123908427 HU 511DOR1973 Dorofeev, G. V. (Georgiĭ Vladimirovich), 1938-2008 26790 Elementary mathematics : selected topics and problem solving 1973 488 PC 22cm ddc BOOKS 0 25764 25764 0 0 ddc 0 0 REF 004 004 GEN 2022-01-03 0 511DOR1973 WGCFNRL00010066 2022-01-03 00:00:00 2 2022-01-03 BOOKS 0 0 ddc 0 0 REF 004 004 GEN 2022-01-06 0 511 DOR 1973 WGCFNRL00009884 2022-01-06 00:00:00 3 2022-01-06 BOOKS