000			00502nam a2200169 a 4500
001			A30009 1411
003			dti
005			20170506183831.0
008			s1914 000 0 eng
100	1		_aLobachevski, Nicholas.
245	1	0	_aGeometrical researches on the theory of parallels / _cby Nicholas Lobachevski.
250			_aNew ed.
260			_aLa Salle, Ill. : _bOpen Court Pub. Comp., _c1914.
300			_a50 p.
500			_aIncludes bibliographical references.
650		0	_aGeometry.
999			_c362547 _d362547