000 00276nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a517.1 P6778.2
100 _aPISKUNOV,N
245 0 _aDIFFERENTIAL AND INTEGRAL CALCULUS VOL.1 & 2
260 _aMOSCOW
_bMIR
942 _cBB
_2DDC
999 _c5011
_d5011