Dzhafarov, R. (1999). A sharp angle inequalities for pairs of elliptic operators in the case of domain with a conical point. Нелинейные граничные задачи.
Chicago Style (17th ed.) CitationDzhafarov, R.M. "A Sharp Angle Inequalities for Pairs of Elliptic Operators in the Case of Domain with a Conical Point." Нелинейные граничные задачи 1999.
MLA (8th ed.) CitationDzhafarov, R.M. "A Sharp Angle Inequalities for Pairs of Elliptic Operators in the Case of Domain with a Conical Point." Нелинейные граничные задачи, 1999.
Warning: These citations may not always be 100% accurate.