@article{10_14708_ma_v13i26_1646,
     author = {Antoni Sym},
     title = {On solitons-an elementary},
     journal = {Mathematica Applicanda},
     pages = { 5--28},
     publisher = {mathdoc},
     volume = {13},
     number = {26},
     year = {1985},
     doi = {10.14708/ma.v13i26.1646},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v13i26.1646/}
}