@article{COMIM_1997__5_1_a0,
     author = {Han\v{c}l, Jaroslav},
     title = {A note to the rationality of infinite series. {I}},
     journal = {Communications in Mathematics},
     pages = {5--11},
     publisher = {mathdoc},
     volume = {05},
     number = {1},
     year = {1997},
     mrnumber = {1828546},
     zbl = {0927.11043},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_1997__5_1_a0/}
}