@article{AIHPC_1997__14_6_787_0,
     author = {Buffoni, B.},
     title = {Nested axi-symmetric vortex rings},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {787--797},
     publisher = {Gauthier-Villars},
     volume = {14},
     number = {6},
     year = {1997},
     mrnumber = {1482902},
     zbl = {0902.76019},
     language = {en},
     url = {http://www.numdam.org/item/AIHPC_1997__14_6_787_0/}
}