TY  - GEN
TI  - à¶à¶½à¶±à¶º: à¶à¶±à·à¶à¶½à¶±à¶º
U1  - 515 
PY  - 1985///
CY  - Nugegoda
PB  - Open University
KW  - ANALYSIS
KW  - MATHEMATICS
ER  -