@article{JSFU_2021_14_1_a4,
     author = {Victor V. Nikulin and Eugene A. Chashnikov},
     title = {Mass transfer between the vortex ring and the surrounding fluid, when the density of the fluid in the vortex is less than outside it},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {42--46},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2021_14_1_a4/}
}