000 00266nam a2200109Ia 4500
008 231212s1980 xx 000 0 und d
041 _aeng
082 _a621.3817
100 _aKulryatsev V.A.
245 _aA Brief Course of Higher
260 _aMascow
_bMir Pub
_c1980
999 _c958444
_d958444