@article{UZERU_2016_1_a1,
     author = {G. Y. Mkrtchyan and Ye. S. Mkrtchyan},
     title = {A differentiation and divided difference formula for rational functions},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {7--11},
     publisher = {mathdoc},
     number = {1},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2016_1_a1/}
}