@article{AV_1931_2_4_a0,
     author = {Truksa, L.},
     title = {Hypergeometric orthogonal systems of polynomials. {III}},
     journal = {Aktu\'arsk\'e v\v{e}dy},
     pages = {177--203},
     year = {1931},
     volume = {2},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AV_1931_2_4_a0/}
}