@article{CMH_1941__14_138782,
     author = {Beno Eckmann},
     title = {Zur {Homotopietheorie} gefaserter {R\"aume.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {141--192},
     publisher = {mathdoc},
     volume = {14},
     year = {1941},
     zbl = {0026.09302},
     url = {http://geodesic.mathdoc.fr/item/CMH_1941__14_138782/}
}