Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MET_1970__15_175429, author = {N. Singh}, title = {Spherical {Probable} {Error} {(Spe)} and its {Estimation}}, journal = {Metrika}, pages = {149--163}, publisher = {mathdoc}, volume = {15}, year = {1970}, zbl = {0209.50101}, url = {http://geodesic.mathdoc.fr/item/MET_1970__15_175429/} }
N. Singh. Spherical Probable Error (Spe) and its Estimation. Metrika, Tome 15 (1970), pp. 149-163. http://geodesic.mathdoc.fr/item/MET_1970__15_175429/