@article{NAM_1879_2_18__77_0,
     author = {Worms de Romilly},
     title = {Sur l{\textquoteright}\'equation du second ordre $Myy^{\prime \prime }+{Ny^{\prime }}^2=f(x)$},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {77--85},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {2e s{\'e}rie, 18},
     year = {1879},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1879_2_18__77_0/}
}