@article{MM2_1992__75_4_155708,
     author = {F. Mil\'an and A. Mart{\'\i}nez},
     title = {Affine isoperimetric problems and surfaces with constant affine mean curvature.},
     journal = {Manuscripta mathematica},
     pages = {35--42},
     publisher = {mathdoc},
     volume = {75},
     number = {4},
     year = {1992},
     zbl = {0760.53008},
     url = {http://geodesic.mathdoc.fr/item/MM2_1992__75_4_155708/}
}