@article{MAN_1968__177_161727,
     author = {M. MROWKA},
     title = {\"Uber {Homotopiegruppen,} die der {Cechschen} {Homologie} zugeordnet sind.},
     journal = {Mathematische Annalen},
     pages = {310--338},
     publisher = {mathdoc},
     volume = {177},
     year = {1968},
     zbl = {0157.53902},
     url = {http://geodesic.mathdoc.fr/item/MAN_1968__177_161727/}
}