TY  - BOOK
AU  - Lobatschewsky,N.
AU  - Houel,Par J.
ED  - Asutosh Collection (National Library, India)
TI  - Etudes gemetriques sur la theorie des paralleles
U1  - 513.84 
PY  - 1866///
CY  - Paris
PB  - Gauthier-Villars
KW  - Differential topology
KW  - Geometry
KW  - Parallel processing
ER  -