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@article{MZM_1992_52_5_a20, author = {Yu. N. Baulina}, title = {Fundamental solutions of the equation $x_1^2+\dots+x_n^2=mx_1\dots x_n$}, journal = {Matemati\v{c}eskie zametki}, pages = {136--137}, publisher = {mathdoc}, volume = {52}, number = {5}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1992_52_5_a20/} }
Yu. N. Baulina. Fundamental solutions of the equation $x_1^2+\dots+x_n^2=mx_1\dots x_n$. Matematičeskie zametki, Tome 52 (1992) no. 5, pp. 136-137. http://geodesic.mathdoc.fr/item/MZM_1992_52_5_a20/