000			00308nam a2200133Ia 4500
008			220108s9999||||xx |||||||||||||| ||und||
100			_aN. PISKUNOV
245		0	_aDIFFERENTAIL AND INTEGRAL CALCULUS
250			_a4TH.
260			_bC.B.S. PUB. _c1981
300			_a471
650			_aMANAGEMENT
942			_cBK
999			_c18247 _d18247