000 00312nam a2200133Ia 4500
008 190719s9999 xx 000 0 und d
082 _a517.1 P6778
100 _aPISKUNOV.N
245 0 _aDIFFERENTIAL AND INTEGRAL CALCULUS
250 _a2
260 _aMOSCOW
_bMIR
_c1969
300 _a22X15
942 _cBK
_2DDC
999 _c45418
_d45418