000 00285nam#a2200133ua#4500
001 GOACATREC32020
900 0 0 _a19990901
901 0 0 _aENG
903 0 0 _a43996
245 0 0 _aMathematics Can be Fun
100 0 0 _aPerelman, Yakov
902 0 0 _a510
260 0 0 _aMoscow
_bMIR Publishers
_c1985
999 _c32024
_d32024