000 00292nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aPiskunov N
245 0 _aDifferential And Integral Calculus
260 _bMir Pubs Moscow
_c1974
300 _a471p
650 _aMathematics
942 _cBK
999 _c30686
_d30686