SINGULARITIES OF DIFFERENTIAL FORMS

[1] Abraham R., 1967, TRANSVERSAL MAPPINGS

[2] BOURBAKI N, 1958, ALGEBRE MULTILINEAIR, pCH3

[3] Cartan E., 1945, SYSTEMES DIFFERENTIE

[4] GEOMETRY OF G-STRUCTURES [J]. BULLETIN OF THE AMERICAN MATHEMATICAL SOCIETY, 1966, 72 (02) : 167 - &

[5] Godbillon C., 1969, GEOMETRIE DIFFERENTI

[6] SOME GLOBAL PROPERTIES OF CONTACT STRUCTURES [J]. ANNALS OF MATHEMATICS, 1959, 69 (02) : 421 - 450

[7] HAEFLIGER A, 1956, SEMINAIRE H CARTAN E

[8] LEVINE HI, 1959, SINGULARITIES DIFFER

[9] LIBERMANN P, 1953, B ACAD R BELG, V39, P846

[10] MARTINET J, 1968, CR ACAD SCI A MATH, V266, P1246

[1] Abraham R., 1967, TRANSVERSAL MAPPINGS

[2] BOURBAKI N, 1958, ALGEBRE MULTILINEAIR, pCH3

[3] Cartan E., 1945, SYSTEMES DIFFERENTIE

[4] GEOMETRY OF G-STRUCTURES [J]. BULLETIN OF THE AMERICAN MATHEMATICAL SOCIETY, 1966, 72 (02) : 167 - &

[5] Godbillon C., 1969, GEOMETRIE DIFFERENTI

[6] SOME GLOBAL PROPERTIES OF CONTACT STRUCTURES [J]. ANNALS OF MATHEMATICS, 1959, 69 (02) : 421 - 450

[7] HAEFLIGER A, 1956, SEMINAIRE H CARTAN E

[8] LEVINE HI, 1959, SINGULARITIES DIFFER

[9] LIBERMANN P, 1953, B ACAD R BELG, V39, P846

[10] MARTINET J, 1968, CR ACAD SCI A MATH, V266, P1246