Solutions of fixed sign of higher-order inhomogeneous equations of mixed elliptic-hyperbolic type
Crossref DOI link: https://doi.org/10.1134/S0001434616090121
Published Online: 2016-10-22
Published Print: 2016-09
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Sabitov, K. B.
License valid from 2016-09-01