@article{VUU_2021_31_2_a4,
     author = {A. V. Platonov},
     title = {Stability analysis for the {Lienard} equation with discontinuous coefficients},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {226--240},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2021_31_2_a4/}
}