TY  - GEN
AU  - Das, B.C.
AU  - Mukherjee, B. N.
TI  - Uchcha Madhyamik Gati Vijnana O Sthiti Vijnana
U1  - 513 
PY  - 1979///
CY  - Kolkata
PB  - U.N.Dhur & Sons
KW  - MATH.--   GEOMETRY
ER  -