@article{TMF_1976_29_3_a0,
     author = {D. A. Slavnov},
     title = {Electromagnetic field without indefinite metric},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {291--299},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1976_29_3_a0/}
}