Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1995_211_a28, author = {M. M. Khapaev}, title = {Singular differential equations in control and minimization problems}, journal = {Informatics and Automation}, pages = {411--418}, publisher = {mathdoc}, volume = {211}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1995_211_a28/} }
M. M. Khapaev. Singular differential equations in control and minimization problems. Informatics and Automation, Optimal control and differential equations, Tome 211 (1995), pp. 411-418. http://geodesic.mathdoc.fr/item/TRSPY_1995_211_a28/