Geodesic
On fixed sign solution to nonhomogeneous equation of mixed parabolic-hyperbolic type of higher order
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (2017), pp. 57-66

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For polycaloric equation and mixed parabolic-hyperbolic equation of the second order we ascertain a fixed sign solution depending on the right-hand side. Then, based on these results for the non-homogeneous equation of mixed parabolic-hyperbolic type of higher order, we invetsigate a fixed sign solution depending on the right-hand side.
Keywords: polycaloric equation, mixed parabolic-hyperbolic type of second and higher orders, maximum principle, fixed sign solution. 
@article{IVM_2017_7_a6,
     author = {K. B. Sabitov},
     title = {On fixed sign solution to nonhomogeneous equation of mixed parabolic-hyperbolic type of higher order},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {57--66},
     publisher = {mathdoc},
     number = {7},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2017_7_a6/}
}
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K. B. Sabitov. On fixed sign solution to nonhomogeneous equation of mixed parabolic-hyperbolic type of higher order. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (2017), pp. 57-66. http://geodesic.mathdoc.fr/item/IVM_2017_7_a6/