@article{AIHPC_2009__26_4_1183_0,
     author = {Cupini, Giovanni and Guidorzi, Marcello and Marcelli, Cristina},
     title = {Existence of {Minimizers} of {Free} {Autonomous} {Variational} {Problems} {Via} {Solvability} of {Constrained} {Ones}},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {1183--1205},
     publisher = {Elsevier},
     volume = {26},
     number = {4},
     year = {2009},
     doi = {10.1016/j.anihpc.2008.06.006},
     mrnumber = {2542720},
     zbl = {1167.49002},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2008.06.006/}
}