@article{COCV_2009__15_4_872_0,
     author = {Zaslavski, Alexander J.},
     title = {Structure of approximate solutions of variational problems with extended-valued convex integrands},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {872--894},
     publisher = {EDP-Sciences},
     volume = {15},
     number = {4},
     year = {2009},
     doi = {10.1051/cocv:2008053},
     mrnumber = {2567250},
     zbl = {1175.49002},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2008053/}
}