@article{TMF_2018_196_2_a8,
     author = {D. I. Sinelshchikov and N. A. Kudryashov},
     title = {On integrable non{\textendash}autonomous {Li\'enard{\textendash}type} equations},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {328--340},
     year = {2018},
     volume = {196},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2018_196_2_a8/}
}