The tricomi problem for a nonlinear mixed-type equation with functional retarded, advanced, and concentrated deviation
Crossref DOI link: https://doi.org/10.3103/S1066369X17110032
Published Online: 2017-10-25
Published Print: 2017-11
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Zarubin, A. N.
License valid from 2017-10-25