00353nam a2200109Ia 4500008004100000082001500041100001700056245002600073260005900099630001800158650006700176211109s9999||||xx |||||||||||||| ||und||  a510bSMI-U  aSmirnov, V I 0aUpariganitha Padhathi  bState Institute of LanguagesaThiruvananthapuramc1974  xgeneral stack  asciencevnatural science and mathematicsxmathematicsGeneralia