@article{TMF_2003_137_2_a11,
     author = {S. \"Ozer and E. Suhubi},
     title = {Equivalence {Groups} for {First-Order} {Balance} {Equations} and {Applications} to {Electromagnetism}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {271--280},
     publisher = {mathdoc},
     volume = {137},
     number = {2},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2003_137_2_a11/}
}