TY  - BOOK
AU  - Indian Institute Of Advanced Study
TI  - Transactions.19V(V3,V11-14,V18 not in the library)
U1  - Sigma m2,N6, K5.1-K5.17  RR 
PY  - 1968///
CY  - Simla
PB  - Indian Institute of Advanced Study   
ER  -