@article{articlea99f536e,
title   = {Properties of optimizers of the principal eigenvalue with indefinite weight and Robin conditions},
author = {Lamboley, Jimmy and Laurain, Antoine and Nadin, Grégoire and Privat, Yannick},
year = {2016},
doi = {10.1007/s00526-016-1084-6},
journal   = {Calculus of Variations and Partial Differential Equations}
}