@article{SM_1996_187_12_a0,
     author = {V. F. Borisov},
     title = {Number of limit cycles of the~quotient system of the $n$-dimensional {Fuller} problem},
     journal = {Sbornik. Mathematics},
     pages = {1737--1753},
     publisher = {mathdoc},
     volume = {187},
     number = {12},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1996_187_12_a0/}
}