@article{CMH_1961__35_139222,
     author = {H. Gross},
     title = {Zwei elementare {S\"atze} \"uber positive {L\"osungen} linearer homogener {Gleichungssysteme.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {319--320},
     publisher = {mathdoc},
     volume = {35},
     year = {1961},
     zbl = {0104.01302},
     url = {http://geodesic.mathdoc.fr/item/CMH_1961__35_139222/}
}