@article{AIHPA_1976__24_2_179_0,
     author = {Eisenstaedt, J.},
     title = {Une nouvelle classe de solutions des \'equations {d'Einstein} \`a sym\'etrie sph\'erique. {Application} \`a des mod\`eles cosmologiques multi-couches},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {179--211},
     publisher = {Gauthier-Villars},
     volume = {24},
     number = {2},
     year = {1976},
     mrnumber = {416435},
     zbl = {0318.53030},
     language = {fr},
     url = {http://www.numdam.org/item/AIHPA_1976__24_2_179_0/}
}