000 00288nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aYakovlev G N
245 0 _aHighschool Mathematics Part1
260 _bMir Pubs Moscow
_c1981
300 _a327p
650 _aMathematics
942 _cBK
999 _c31028
_d31028