@article{JMPA_1850_1_15__238_0,
     author = {Roberts, William},
     title = {Sur l'int\'egrale d\'efinie double $\int^c_b\int^b_o \frac{\log \left(\mu^2-\nu^2\right)d\mu d\nu}{\sqrt{\left(c^2-\mu^2\right)\left(\mu^2-b^2\right)\left(c^2-\nu^2\right)\left(b^2-\nu^2\right)}}$},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {238--240},
     publisher = {Gauthier-Villars},
     volume = {1e s{\'e}rie, 15},
     year = {1850},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1850_1_15__238_0/}
}