@article{SM_1992_72_1_a13,
     author = {P. L. Ivankov},
     title = {On arithmetic properties of the values of hypergeometric functions},
     journal = {Sbornik. Mathematics},
     pages = {267--286},
     publisher = {mathdoc},
     volume = {72},
     number = {1},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1992_72_1_a13/}
}