000 00290nam a2200109Ia 4500
001 12309
008 170722s9999 xx 000 0 und d
100 _aDanko P. E. Etc
245 _aHigher mathematics in problems and exercises.Tr by Irene Aleksanova.2pts /
260 _c1983
942 _cGEN
999 _c12752
_d12752