@article{797691, author = {L Carr and Charles Clark}, title = {Vortices, Rings, and Spherical Shells in Bose-Einstein Condensates. I. Case of Repulsive Nonlinearity}, year = {2021}, month = {2021-10-12 15:10:23}, publisher = {Physical Review A (Atomic, Molecular and Optical Physics)}, language = {en}, }