000 00305nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a510
082 _bHIG
100 _a"Efimov, A.V"
245 0 _aHigher Mathematics for E
260 _aMoscow
260 _bM.I.R
260 _c1984
300 _a414
999 _c23170
_d23170