000 00290nam a2200121 4500
008 160616s 000 0
245 _aProblems and solutions for students
100 _aMarton, L
100 _aHornyak, W.F.
500 _aC:f3 K9
942 _cBK
_2BK10575
080 _a530.1 MAR
999 _c10575
_d10575