On the existence and uniqueness of a generalized solution of the Protter problem for ( 3 + 1 ) $(3+1)$ -D Keldysh-type equations
Crossref DOI link: https://doi.org/10.1186/s13661-017-0757-1
Published Online: 2017-02-13
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Popivanov, Nedyu
Hristov, Tsvetan
Nikolov, Aleksey
Schneider, Manfred
License valid from 2017-02-13