@article{RSMUP_1991__85__35_0,
     author = {Barozzi, E. and Emmer, M. and Gonz\'alez, E. H. A.},
     title = {Lagrange multipliers and variational methods for equilibrium problems of fluids},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {35--53},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {85},
     year = {1991},
     mrnumber = {1142532},
     zbl = {0850.76499},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1991__85__35_0/}
}