@article{CRMATH_2002__335_3_255_0,
     author = {Matei, Ana-Maria},
     title = {The effect of perturbations on the first eigenvalue of the $ \mathbf{p}${-Laplacian}},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {255--258},
     publisher = {Elsevier},
     volume = {335},
     number = {3},
     year = {2002},
     doi = {10.1016/S1631-073X(02)02464-0},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/S1631-073X(02)02464-0/}
}