1.
Lukovsky IO. Variational method for the solution of nonlinear boundary-value problems of the dynamics of bounded volumes of liquid with variable boundaries. Ukr. Mat. Zhurn. [Internet]. 2018Jan.25 [cited 2020Nov.28];70(1):63-8. Available from: http://umj.imath.kiev.ua/index.php/umj/article/view/1542