@article{NAM_1855_1_14__140_0,
     author = {Stammer, W.},
     title = {Sur un syst\`eme de coordonn\'ees dites circulaires},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {140--140},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {1e s{\'e}rie, 14},
     year = {1855},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1855_1_14__140_0/}
}