@article{TMF_1982_52_3_a5,
     author = {O. Sh. Rasizade},
     title = {Bifurcation of point sources and contour sources of nonlinear fields},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {393--404},
     year = {1982},
     volume = {52},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1982_52_3_a5/}
}