@article{JCA_2011_18_2_JCA_2011_18_2_a3,
     author = {U. Ostaszewska and K. Zajkowski},
     title = {Legendre-Fenchel {Transform} of the {Spectral} {Exponent} of {Analytic} {Functions} of {Weighted} {Composition} {Operators}},
     journal = {Journal of convex analysis},
     pages = {367--377},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/JCA_2011_18_2_JCA_2011_18_2_a3/}
}