@article{ASNSP_1976_4_3_3_361_0,
     author = {Choquet-Bruhat, Y.},
     title = {Maximal submanifolds and submanifolds with constant mean extrinsic curvature of a lorentzian manifold},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {361--376},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 3},
     number = {3},
     year = {1976},
     mrnumber = {423405},
     zbl = {0332.53035},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1976_4_3_3_361_0/}
}