@article{AMBP_2001__8_1_7_0,
     author = {Akkouchi, Mohamed and Bounabat, Abdellah},
     title = {Some boundary optimal control problems related to a singular cost functional},
     journal = {Annales math\'ematiques Blaise Pascal},
     pages = {7--15},
     publisher = {Laboratoires de Math\'ematiques Pures et Appliqu\'ees de l'Universit\'e Blaise Pascal},
     volume = {8},
     number = {1},
     year = {2001},
     mrnumber = {1863644},
     zbl = {0986.49001},
     language = {en},
     url = {http://www.numdam.org/item/AMBP_2001__8_1_7_0/}
}