[1] BIERSTONE E.:
The equivariant covering homotopy property for differentiable G-fibre bundles. J. Differential Geom. 8 (1973), 615-622.
MR 0341509 |
Zbl 0286.57023
[2] BIERSТONE E.:
Equivariant Gromov theory. Тopology 13 (1974), 327-345.
MR 0353334
[3] FEIТ S.:
k-mersions of manifolds. Acta Math. 122 (1969), 173-195.
MR 0243541
[4] GROMOV M.:
Partial Differential Relations. Ergeb. Math. Gгenzgeb. (3) 9, Springer-Verlag, Berlin, 1986.
MR 0864505 |
Zbl 0651.53001
[6] IZUMIYA S.:
Homotopy classification of equivariant regular sections. Manuscripta Math. 28 (1979), 337-360.
MR 0538421 |
Zbl 0412.58013
[7] PEТRIE Т.-RANDALL J. D.:
Transformation Groups on Manifolds. Monogr. Тextbooks Pure Appl. Math. 82, Marcel Dekker, Inc, New York, 1984.
MR 0748850
[9] SMALE S.:
The classification of immersions of spheres in Euclidean spaces. Ann. of Math. (2) 69 (1959), 327-344.
MR 0105117 |
Zbl 0089.18201