@article{CMUC_2014__55_1_a2,
     author = {Cherif, A. Mohammed and Mustapha, Djaa},
     title = {On generalized $f$-harmonic morphisms},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {17--27},
     publisher = {mathdoc},
     volume = {55},
     number = {1},
     year = {2014},
     mrnumber = {3160823},
     zbl = {06383782},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2014__55_1_a2/}
}