@article{EP_2013_39_a5,
     author = {Livija Cveticanin},
     title = {Asymptotic {Method} for {Truly} {Non-linear} {Oscillator} with {Time} {Variable} {Parameter}},
     journal = {ESAIM. Proceedings},
     pages = {32--39},
     publisher = {mathdoc},
     volume = {39},
     year = {2013},
     doi = {10.1051/proc/201339005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/proc/201339005/}
}