2 citations to https://www.mathnet.ru/rus/sigma19

1. Hao Ch., Hsiao L., Li H.-Liang, “Global well posedness for the Gross–Pitaevskii equation with an angular momentum rotational term”, Mathematical Methods in the Applied Sciences, 31:6 (2008), 655–664            
2. Borisov A. V, Trifonov A. Y, Shapovalov A. V., “A semiclassical approximation for the nonstationary two-dimensional nonlinear Schrodinger equation with an external field in polar coordinates”, Russian Physics Journal, 49:7 (2006), 734-743