@article{MMO_1970_21_a1,
     author = {V. I. Arnol'd},
     title = {Certain topological invariants of algebraic functions},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {27--46},
     publisher = {mathdoc},
     volume = {21},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1970_21_a1/}
}