@article{MM2_1986__57_155186,
     author = {Mariano Giaquinta and Giuseppe Modica},
     title = {Remarks on the regularity of the minimizers of certain degenerate functionals},
     journal = {Manuscripta mathematica},
     pages = {55--100},
     publisher = {mathdoc},
     volume = {57},
     year = {1986},
     zbl = {0607.49003},
     url = {http://geodesic.mathdoc.fr/item/MM2_1986__57_155186/}
}