Sigillito, V. G. (1977). Explicit a priori inequalities with applications to boundary value problems. Pitman Pub..
शिकागो स्टाइल उद्धरणSigillito, V. G. Explicit a Priori Inequalities with Applications to Boundary Value Problems. London: Pitman Pub., 1977.
एमएलए उद्धरणSigillito, V. G. Explicit a Priori Inequalities with Applications to Boundary Value Problems. Pitman Pub., 1977.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.