000 003240000a22001330004500
041 _aENG
080 _aB321 ?
082 _aB321 ?
100 _aPISKUNOV (N)
245 _aDifferential and integral calculus, tr. fr. Russian G. Yankovsky.
260 _aMoscow
_bPeace Pub.
_c?
500 _aB325
650 _aDIFFERENTIAL
999 _c253498
_d253498