@article{PMFA_1973__18_5_a3,
     author = {Brunovsk\'y, Pavol},
     title = {Topologick\'a klasifik\'acia diferenci\'alnych rovn{\'\i}c a \v{s}truktur\'alna stabilita},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {271--281},
     publisher = {mathdoc},
     volume = {18},
     number = {5},
     year = {1973},
     mrnumber = {0486858},
     zbl = {0287.34056},
     language = {sl},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1973__18_5_a3/}
}