TY  - BOOK
AU  - KHANNA M I
TI  - SPHERICAL HARMONICS
U1  - GN517.352K527S 
PY  - 1966///
CY  - MERRUT
PB  - JAI PRAKASH NATH &CO.
KW  - SPHERICAL HARMONICS
N1  - MODERN BOOK HOUSE JABALPUR
ER  -