Lukovsky, I.A. and Timokha, A.N. 2021. A note on variational formalism for sloshing with rotational flows in a rigid tank with an unprescribed motion. Ukrains’kyi Matematychnyi Zhurnal. 73, 10 (Oct. 2021), 1368-1376. DOI:https://doi.org/10.37863/umzh.v73i10.6795.