@article{CHEB_2024_25_1_a8,
     author = {H. Al-Assad},
     title = {A generalisation of {Legendre's} three-square theorem},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {127--137},
     year = {2024},
     volume = {25},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2024_25_1_a8/}
}