Singular points of vector fields under general boundary conditions.

[1] BROUWER, 1912, MATH ANN, V71, P323

[2] Brouwer LEJ, 1912, MATH ANN, V71, P97

[3] EISENHART, RISMANNIAN GEOMETRY

[4] HOPF, 1296, MATH ANN, V96, P209

[5] HOPF, 1925, MATH ANN, V95, P340

[6] Vector fields in n-dimensional Manifolds. [J]. MATHEMATISCHE ANNALEN, 1927, 96 : 225 - 250

[7] LEFSCHETZ, 1927, T AM MATH SOC, V29, P429

[8] MORSE, P NATL ACAD SCI, V13, P813

[9] OSGOOD, LEHRBUCH FUNKTIONENT

[10] Poincar├a┬ H., 1881, J MATH PURE APPL, V7, P375

[1] BROUWER, 1912, MATH ANN, V71, P323

[2] Brouwer LEJ, 1912, MATH ANN, V71, P97

[3] EISENHART, RISMANNIAN GEOMETRY

[4] HOPF, 1296, MATH ANN, V96, P209

[5] HOPF, 1925, MATH ANN, V95, P340

[6] Vector fields in n-dimensional Manifolds. [J]. MATHEMATISCHE ANNALEN, 1927, 96 : 225 - 250

[7] LEFSCHETZ, 1927, T AM MATH SOC, V29, P429

[8] MORSE, P NATL ACAD SCI, V13, P813

[9] OSGOOD, LEHRBUCH FUNKTIONENT

[10] Poincar├a┬ H., 1881, J MATH PURE APPL, V7, P375