Gutlyanskiĭ V, Nesmelova O, Ryazanov V. Semilinear equations in the plane with measurable data . Dopov. Nac. akad. nauk Ukr. [Internet]. 2018 Feb. 28 [cited 2026 Jul. 11];(2):12-8. Available from: https://nasu-periodicals.org.ua/index.php/dp/article/view/2537