@article{M2AN_1973__7_2_115_0,
     author = {Morel, P.},
     title = {Br\`eve communication. {Utilisation} en analyse num\'erique de la formule de variation {d'Hadamard}},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {115--119},
     publisher = {Dunod},
     address = {Paris},
     volume = {7},
     number = {R2},
     year = {1973},
     mrnumber = {353704},
     zbl = {0293.65089},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1973__7_2_115_0/}
}