Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1992_6_4_a5, author = {Lilia N. Apostolova}, title = {Local {Integrability} of {One} {Class} of {Systems} of {Smooth} {Complex} {Vector} {Fields}}, journal = {Mathematica balkanica}, pages = {347}, publisher = {mathdoc}, volume = {6}, number = {4}, year = {1992}, url = {http://geodesic.mathdoc.fr/item/MABA_1992_6_4_a5/} }
Lilia N. Apostolova. Local Integrability of One Class of Systems of Smooth Complex Vector Fields. Mathematica balkanica, Tome 6 (1992) no. 4, p. 347. http://geodesic.mathdoc.fr/item/MABA_1992_6_4_a5/