@article{CC_2005_34_3_a3,
     author = {Caetano, Ant\'onio M. and Sarychev, Andrey and Seabra, Dina},
     title = {Two-dimensional stable {Lavrentiev} phenomenon with and without boundary conditions},
     journal = {Control and Cybernetics},
     pages = {689--707},
     publisher = {mathdoc},
     volume = {34},
     number = {3},
     year = {2005},
     zbl = {1167.49305},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2005_34_3_a3/}
}