000 00253nam a22001097a 4500
082 _a510 DEM'C
100 _aDEMIDIVICH, B. P ,MARON, I. A
_957493
245 _aCOMPUTATIONAL MATHEMATICS
260 _aMOSCOW
_bMIR
_c1973
300 _a691P
942 _cBK
999 _c567770
_d567770