2 citations to https://www.mathnet.ru/rus/sjim654

1. Kamotski I., Mazya V., “Estimate for a Solution to the Water Wave Problem in the Presence of a Submerged Body”, Russ. J. Math. Phys., 20:4 (2013), 453–467            
2. Kamotski I.V., Maz'ya V.G., “On the Linear Water Wave Problem in the Presence of a Critically Submerged Body”, SIAM J. Math. Anal., 44:6 (2012), 4222–4249