@article{MZM_2002_71_5_a9,
     author = {I. P. Pavlotsky and M. Strianese},
     title = {Extremal {Points} of {Integral} {Curves} of {Second-Order} {Ordinary} {Differential} {Equations} and {Their} {Local} {Stability}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {742--750},
     publisher = {mathdoc},
     volume = {71},
     number = {5},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2002_71_5_a9/}
}