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@article{MM_1995_7_5_a68, author = {I. N. Fedorov}, title = {The problem $\Delta_1^\infty$ for the equation $S_0$}, journal = {Matemati\v{c}eskoe modelirovanie}, pages = {97}, publisher = {mathdoc}, volume = {7}, number = {5}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MM_1995_7_5_a68/} }
I. N. Fedorov. The problem $\Delta_1^\infty$ for the equation $S_0$. Matematičeskoe modelirovanie, Tome 7 (1995) no. 5. http://geodesic.mathdoc.fr/item/MM_1995_7_5_a68/