@article{BSMF_1892__20__69_1,
     author = {Frolov, M.},
     title = {\'Egalit\'es \`a deux et \`a trois degr\'es},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {69--84},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {20},
     year = {1892},
     doi = {10.24033/bsmf.447},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.447/}
}