@article{VSGTU_2011_1_a4,
     author = {V. S. Vladimirov},
     title = {Mathematical questions for theory of nonlinear pseudodifferential equations with $p$-adic string},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {34--41},
     publisher = {mathdoc},
     number = {1},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2011_1_a4/}
}