@article{RCM_2015_49_1_a4,
     author = {Gonzalo Garc{\'\i}a and Oscar Monta\~no},
     title = {A {Lower} {Bound} for the {First} {Steklov} {Eigenvalue} on a {Domain}},
     journal = {Revista colombiana de matematicas},
     pages = {95--104},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {2015},
     url = {http://geodesic.mathdoc.fr/item/RCM_2015_49_1_a4/}
}