%0 Journal Article %A Vitolo, Raffaele %T Spherical symmetry in classical and quantum Galilei general relativity %J Annales de l'I.H.P. Physique théorique %D 1996 %P 177-203 %V 64 %N 2 %I Gauthier-Villars %U http://www.numdam.org/item/AIHPA_1996__64_2_177_0/ %G en %F AIHPA_1996__64_2_177_0