@article{JCA_2005_12_1_JCA_2005_12_1_a0,
     author = {F. Alvarez and R. Correa and P. Gajardo},
     title = {Inner {Estimation} of the {Eigenvalue} {Set} and {Exponential} {Series} {Solutions} to {Differential} {Inclusions}},
     journal = {Journal of convex analysis},
     pages = {1--11},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {2005},
     url = {http://geodesic.mathdoc.fr/item/JCA_2005_12_1_JCA_2005_12_1_a0/}
}