LarinD. V. and SkrypnikI. V. (1998) “Principle of additivity in averaging of degenerate nonlinear Dirichlet problems”, Ukrains’kyi Matematychnyi Zhurnal, 50(1), pp. 118–135. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4977 (Accessed: 24November2024).