@article{CMUC_1980_21_4_a15,
     author = {Tarafdar, Enayat},
     title = {On the existence of solution of the equation $L(x) = N(x)$ and a generalized coincidence degree theory. {I}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {805--823},
     year = {1980},
     volume = {21},
     number = {4},
     mrnumber = {597769},
     zbl = {0463.47046},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1980_21_4_a15/}
}