1.
Bonafede S. Strongly nonlinear degenerate elliptic equations with discontinuous coefficients. II. Ukr. Mat. Zhurn. [Internet]. 1997 Dec. 25 [cited 2026 Feb. 17];49(12):1601–1609. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/5164