000 00312nam a2200121Ia 4500
008 190601s9999 xx 000 0 und d
082 _a510
_bKRA
100 _aKramer, Edna E.
245 4 _aThe main stream of mathematics
260 _aGreenwich
_bA Fawcett Premier Books
_c1951
300 _a349 p.
942 _cS
999 _c121511
_d121510