@article{DE_2004_40_3_a0,
     author = {A. V. Borovskikh},
     title = {Investigation of {Relaxation} {Oscillations} with the {Use} of {Constructive} {Nonstandard} {Analysis:} {I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {291--298},
     publisher = {mathdoc},
     volume = {40},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2004_40_3_a0/}
}