@article{UZERU_2018_52_2_a1,
     author = {L. V. Mikayelyan},
     title = {On a version of fixed point theorem},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {84--87},
     publisher = {mathdoc},
     volume = {52},
     number = {2},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2018_52_2_a1/}
}