id: 01606896 dt: j an: 01606896 au: Yadav, Ramdeo Pd.; Prasad, Yogendra ti: On study the application of extension principle on fuzzy sets. so: Math. Educ. 32, No. 4, 236-238 (1998). py: 1998 pu: J. B. Prasad, Siwan, Bihar, India la: EN cc: ut: ci: li: