On the integers $x_i$ for which $x_i\mid x_1\dots x_{i-1}x_i\dots x_n+1$ holds
Mathematica slovaca, Tome 28 (1978) no. 3, pp. 305-310
@article{MASLO_1978_28_3_a10,
author = {Jan\'ak, Jaroslav and Skula, Ladislav},
title = {On the integers $x_i$ for which $x_i\mid x_1\dots x_{i-1}x_i\dots x_n+1$ holds},
journal = {Mathematica slovaca},
pages = {305--310},
year = {1978},
volume = {28},
number = {3},
mrnumber = {534998},
zbl = {0418.10001},
language = {en},
url = {http://geodesic.mathdoc.fr/item/MASLO_1978_28_3_a10/}
}
Janák, Jaroslav; Skula, Ladislav. On the integers $x_i$ for which $x_i\mid x_1\dots x_{i-1}x_i\dots x_n+1$ holds. Mathematica slovaca, Tome 28 (1978) no. 3, pp. 305-310. http://geodesic.mathdoc.fr/item/MASLO_1978_28_3_a10/