000			00303nam a2200133Ia 4500
003			OSt
005			20240913102154.0
007			269P.
020			_a0-07-037985-8
040			_cLIBRARY OF CONGRESS
050			_aQA 641 .L5 1969
245		0	_aTHEORY AND PROBLEMS OF DIFFERENTIAL GEOMETRY
942			_cBK _2ddc
999			_c187662 _d187662