@article{JMPA_1853_1_18__73_0,
     author = {Lebesgue},
     title = {R\'esolution des \'equations biquadratiques $\left(1\right)\left(2\right) \,  z^2=x^4\pm 2^m y^4$,$ \, \left(3\right) \,  z^2=2^m x^4-y^4$,$\, \left(4\right)\left(5\right) \,  2^mz^2=x^4\pm y^4$},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {73--86},
     publisher = {Gauthier-Villars},
     volume = {1e s{\'e}rie, 18},
     year = {1853},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1853_1_18__73_0/}
}