@article{MZM_2011_89_5_a9,
     author = {R. A. Mekhtiev},
     title = {Invariants of the {Homoclinic} {Trajectories} of a {Two-Dimensional} {Diffeomorphism}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {755--770},
     publisher = {mathdoc},
     volume = {89},
     number = {5},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2011_89_5_a9/}
}