@article{TMF_1995_102_2_a5, author = {M. Yu. Nalimov}, title = {The perturbation expansion and goldstone singularities in the ordered phase of the $O_n$-symmetrical $\mathbf \Phi^4$-theory in half space}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {223--236}, publisher = {mathdoc}, volume = {102}, number = {2}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1995_102_2_a5/} }