@article{PORMA_1982__41_1-4_115500,
     author = {Vegas, Jos\'e M.},
     title = {A {Hopf} bifurcation generated by variation of the domain},
     journal = {Portugaliae mathematica},
     pages = {269--276},
     publisher = {mathdoc},
     volume = {41},
     number = {1-4},
     year = {1982},
     mrnumber = {0766856},
     zbl = {0567.35008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1982__41_1-4_115500/}
}