@article{ASNSP_1960_3_14_2_161_0,
     author = {Berger, M.},
     title = {Les vari\'et\'es riemanniennes $(1/4)$-pinc\'ees},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {161--170},
     publisher = {Scuola normale superiore},
     volume = {3e s{\'e}rie, 14},
     number = {2},
     year = {1960},
     mrnumber = {140054},
     zbl = {0096.15502},
     language = {fr},
     url = {http://archive.numdam.org/item/ASNSP_1960_3_14_2_161_0/}
}