@article{Campillo2017,
     title = {{On the variations of the principal eigenvalue with respect to a parameter in growth-fragmentation models}},
     author = {Campillo, Fabien and Champagnat, Nicolas and Fritsch, Coralie},
     doi = {{10.4310/CMS.2017.v15.n7.a1}},
     journal = {{Communications in Mathematical Sciences}},
     volume = {15},
     number = {7},
     pages = {1801-1819},
     publisher = {{International Press}},
     year = {2017},
}