@article{1183425968, author = {Macmillan, W. D.}, title = {The moment of inertia in the problem of $n$ bodies}, journal = {Bull. Amer. Math. Soc.}, volume = {28}, number = {9}, year = {1922}, pages = { 165-168}, language = {en}, url = {http://dml.mathdoc.fr/item/1183425968} }
Macmillan, W. D. The moment of inertia in the problem of $n$ bodies. Bull. Amer. Math. Soc., Tome 28 (1922) no. 9, pp. 165-168. http://gdmltest.u-ga.fr/item/1183425968/