@article{JMPA_1889_4_5__55_0,
     author = {Stieltjes, T.-J.},
     title = {Sur le d\'eveloppement de l'expression $\mid\mathrm{R}^2-2\mathrm{R}r\left[\cos u \cos u\prime \cos \left(x-x\prime\right)+\sin u \sin u\prime\cos \left(y-y\prime\right)\right]+r^2\mid^{-1}$},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {55--65},
     publisher = {Gauthier-Villars},
     volume = {4e s{\'e}rie, 5},
     year = {1889},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1889_4_5__55_0/}
}