@article{FAA_1980_14_1_a19,
     author = {V. A. Naishul'},
     title = {Topological invariants for germs of analytic and area-preserving mappings, and their application to analytic differential equations in $\mathbb{CP}^2$},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {73--74},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1980_14_1_a19/}
}