For citations:

Abdullaev D.B., Abdullaev B., Musakhanov M.M. Perturbative hydrodynamic Gross-Pitaevskii treatment for Bose-Einstein condensate in infinite length ring with disorder. Nanosystems: Physics, Chemistry, Mathematics. 2015;6(2):213-215. https://doi.org/10.17586/2220-8054-2015-6-2-213-215