@article{SM_1980_37_3_a5,
     author = {E. M. Nikishin},
     title = {On irrationality of the values of the functions $F(x,s)$},
     journal = {Sbornik. Mathematics},
     pages = {381--388},
     publisher = {mathdoc},
     volume = {37},
     number = {3},
     year = {1980},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1980_37_3_a5/}
}