@article{BSMF_1896__24__51_1,
     author = {Raffy, L.},
     title = {Surfaces rapport\'ees \`a un r\'eseau conjugu\'e azimutal},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {51--56},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {24},
     year = {1896},
     doi = {10.24033/bsmf.535},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.535/}
}