@article{KJM_2018_42_2_a5,
     author = {A. M. Blaga},
     title = {On gradient $\eta${-Einstein} {Solitons}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {229 },
     year = {2018},
     volume = {42},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2018_42_2_a5/}
}