@article{JSFU_2014_7_2_a13,
     author = {Tursun K. Yuldashev},
     title = {On differentiability of the solution of the mixed boundary value problem for a~nonlinear pseudohyperbolic equation with respect to small parameters},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {260--271},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2014_7_2_a13/}
}