@article{10_4064_ap_55_1_57_63,
     author = {S{\l}awomir Cynk and Piotr Tworzewski},
     title = {Diagonal series of rational functions},
     journal = {Annales Polonici Mathematici},
     pages = {57--63},
     publisher = {mathdoc},
     volume = {55},
     number = {1},
     year = {1991},
     doi = {10.4064/ap-55-1-57-63},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-55-1-57-63/}
}