@article{CLTM_1983_1983_1_a9,
     author = {Przytycki, J\'ozef H.},
     title = {Superficies incompresibles no orientables de g\'enero 3 en {M\ensuremath{\varphi}(\ensuremath{\lambda}/\ensuremath{\mu})} variedades.},
     journal = {Collectanea mathematica},
     pages = {37-79},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1983},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1983_1983_1_a9/}
}