@article{TMF_1976_26_2_a12,
     author = {L. G. Zastavenko},
     title = {Strong coupling expansion for the ground-state functional in a~model of the quantum theory of a~scalar neutral field with self-interaction $g\varphi^4$ in the case of two-dimensional spacetime},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {277--281},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1976_26_2_a12/}
}