@misc{AFRNUC_1979__34_185780,
     title = {[unknown]},
     journal = {Acta Facultatis Rerum Naturalium Universitatis Comenianae},
     pages = {7--228},
     publisher = {mathdoc},
     volume = {34},
     year = {1979},
     url = {http://geodesic.mathdoc.fr/item/AFRNUC_1979__34_185780/}
}