@article{AFM_2018_43_2_a0,
     author = {Boris N. Apanasov},
     title = {Topological barriers for locally homeomorphic quasiregular mappings in 3-space},
     journal = {Annales Fennici Mathematici},
     pages = {579--596},
     publisher = {mathdoc},
     volume = {43},
     number = {2},
     year = {2018},
     doi = {10.5186/aasfm.2018.4337},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2018.4337/}
}