Berezhnoi MA. Small oscillations of a viscous incompressible fluid with a large number of small interacting particles in the case of their surface distribution. Ukr. Mat. Zhurn. [Internet]. 2009Mar.25 [cited 2024Nov.22];61(3):302-21. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3021