@article{EMJ_2010_1_4_a4,
     author = {I. V. Orlov},
     title = {Inverse extremal problem for variational functionals},
     journal = {Eurasian mathematical journal},
     pages = {95--115},
     publisher = {mathdoc},
     volume = {1},
     number = {4},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2010_1_4_a4/}
}