@article{10_4064_cm6457_8_2016,
     author = {Piotr Bart{\l}omiejczyk},
     title = {A {Hopf} type theorem for equivariant local maps},
     journal = {Colloquium Mathematicum},
     pages = {315--324},
     publisher = {mathdoc},
     volume = {147},
     number = {2},
     year = {2017},
     doi = {10.4064/cm6457-8-2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm6457-8-2016/}
}