@article{MAN_1971__192_162161,
     author = {W.V. PETRYSHYN},
     title = {Surjectivity {Theorems} for {Odd} {Maps} of {A-proper} {Type.}},
     journal = {Mathematische Annalen},
     pages = {155--172},
     publisher = {mathdoc},
     volume = {192},
     year = {1971},
     zbl = {0203.46001},
     url = {http://geodesic.mathdoc.fr/item/MAN_1971__192_162161/}
}