ON A THEOREM OF BENDIXSON

[1] ANDREIEV AF, 1962, VESTNIK LENINGR U, P5

[2] ANDREIEV AF, 1965, DIFF EQUAT, V1, P199

[3] ANDREIEV AF, 1965, DIFF EQUAT, V1, P1156

[4] BAROCIO S, 1959, B SOC MAT MEX, V4, P1

[5] On the defined curves of some differential equations [J]. ACTA MATHEMATICA, 1901, 24 (01) : 1 - 88

[6] BOCHNER, 1948, SEVERAL COMPLEX VARI

[7] EQUIVALENCE OF PLANAR DYNAMICAL AND DIFFERENTIAL SYSTEMS [J]. JOURNAL OF DIFFERENTIAL EQUATIONS, 1965, 1 (02) : 222 - &

[8] LEFSCHETZ S, 1964, DIFFERENTIAL EQUATIO

[9] LEFSCHETZ S, 1956, B SOC MAT MEX, V1, P13

[10] LEFSCHETZ S, 1953, ALGEBRAIC GEOMETRY

[1] ANDREIEV AF, 1962, VESTNIK LENINGR U, P5

[2] ANDREIEV AF, 1965, DIFF EQUAT, V1, P199

[3] ANDREIEV AF, 1965, DIFF EQUAT, V1, P1156

[4] BAROCIO S, 1959, B SOC MAT MEX, V4, P1

[5] On the defined curves of some differential equations [J]. ACTA MATHEMATICA, 1901, 24 (01) : 1 - 88

[6] BOCHNER, 1948, SEVERAL COMPLEX VARI

[7] EQUIVALENCE OF PLANAR DYNAMICAL AND DIFFERENTIAL SYSTEMS [J]. JOURNAL OF DIFFERENTIAL EQUATIONS, 1965, 1 (02) : 222 - &

[8] LEFSCHETZ S, 1964, DIFFERENTIAL EQUATIO

[9] LEFSCHETZ S, 1956, B SOC MAT MEX, V1, P13

[10] LEFSCHETZ S, 1953, ALGEBRAIC GEOMETRY