@article{MZM_1999_65_3_a1,
     author = {B. S. Kruglikov},
     title = {Exact classification of divergence-free nondivergent vector fields on surfaces of small genus},
     journal = {Matemati\v{c}eskie zametki},
     pages = {336--353},
     publisher = {mathdoc},
     volume = {65},
     number = {3},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_65_3_a1/}
}