Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1991_50_5_a22, author = {V. P. Shutyaev}, title = {Perturbation method for a weakly nonlinear hyperbolic first order problem}, journal = {Matemati\v{c}eskie zametki}, pages = {156--158}, publisher = {mathdoc}, volume = {50}, number = {5}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_50_5_a22/} }
V. P. Shutyaev. Perturbation method for a weakly nonlinear hyperbolic first order problem. Matematičeskie zametki, Tome 50 (1991) no. 5, pp. 156-158. http://geodesic.mathdoc.fr/item/MZM_1991_50_5_a22/