@article{ASNSP_1970_3_24_1_37_0,
     author = {Po\'enaru, Valentin},
     title = {Quelques remarques sur les diagrammes de {Heegard}},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {37--52},
     publisher = {Scuola normale superiore},
     volume = {3e s{\'e}rie, 24},
     number = {1},
     year = {1970},
     mrnumber = {270376},
     zbl = {0218.55004},
     language = {fr},
     url = {http://archive.numdam.org/item/ASNSP_1970_3_24_1_37_0/}
}