000 00309nam a2200157Ia 4500
020 _aNULL
082 _a517
100 _aPiskunov, N.
245 0 _aDifferential And Integral Calculus
250 _a-
260 _aMoscow
_bMir Publishers
300 _a471
500 _a2158
650 _a-
942 _cBK
999 _c5559
_d5559