000 00282nam a2200109 4500
008 160616s 000 0
245 _aMathematical theory of context free languages
100 _aGinsburg, Seymour
500 _aD6,8(B) K63
942 _cBK
_2BK3603
080 _a681.3.06 GIN
999 _c3603
_d3603