000			00534nam a2200205Ia 4500
001			CATREF003937
008			110517s9999 xx 000 0 und d
041			_aeng
082			_a512.89
100			_aCohen, Abraham
245			_aAn introduction to the lie theory of one-parameter groups
260			_aNEw York _bG E Stechert and Co. _c1931
300			_avii, 248 p. _c21 cm.
546			_bRoman
650			_aDifferential equations
650			_aLie theory - groups
906			_a003054
906			_atext
942			_cBook
999			_c255197 _d255133