@article{FAA_2005_39_1_a6,
     author = {H. Walther and A. L. Skubachevskii},
     title = {On the {Hyperbolicity} of {Rapidly} {Oscillating} {Periodic} {Solutions} of {Functional} {Differential} {Equations}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {82--85},
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2005_39_1_a6/}
}