@article{TMF_1981_49_1_a1,
     author = {N. S. Ananikyan and G. K. Savvidi},
     title = {Generalized effective potential in nonlinear theories of fourth order},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {26--35},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_49_1_a1/}
}