@article{ZNSL_1982_122_a12,
     author = {V. G. Turaev},
     title = {Nielsen numbers and fixed points of self-mappings of wedges of circles},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {135--136},
     publisher = {mathdoc},
     volume = {122},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1982_122_a12/}
}