GENERAL FORM OF THE EULER-POISSON-DARBOUX EQUATION AND APPLICATION OF THE TRANSMUTATION METHOD
Article
Electronic Journal of Differential Equations.
Vol. 2017.
2017.
In the paper, some results on coincidence points existence are discussed. The theorems on coincidence points of two mappings acting in metric spaces, generalized metric spaces, and partially ordered sets are presented. The existence theorems are stated in terms of covering mappings. © 2017 IEEE.