000 00478nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a513.84
_bL796
100 _aLobachevski Nicholas
245 _aGeometrical researchs on the theory of parallels
260 _aChicago
_bOpen Court Pub
_c1914
300 _a50p.
650 _aGeometry
650 _aParallel theory
700 _aHalsted George Bruce
_4tr.
942 _cBK
999 _c103463
_d103463