PERIODIC-SOLUTIONS OF NON-LINEAR DELAY EQUATIONS

[1] Elsgol'ts L.E, 1966, INTRO THEORY DIFFERE

[2] CLASS OF NONLINEAR BOUNDARY-VALUE PROBLEMS [J]. JOURNAL OF DIFFERENTIAL EQUATIONS, 1977, 26 (01) : 1 - 8

[3] Krasnosel'skii M., 1964, TOPOLOGICAL METHODS

[4] LAZER AC, 1969, MICH MATH J, V16, P193

[5] MAWHIN J, 1976, SCRIPTA FS NATUR UJE, V12, P67

[6] Reissig R, 1975, ATTI ACCAD NAZ LINCE, V58, P696

[7] PERIODIC-SOLUTIONS OF PERTURBED CONSERVATIVE SYSTEMS [J]. PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 1978, 72 (02) : 281 - 285

[8] [No title captured]

[1] Elsgol'ts L.E, 1966, INTRO THEORY DIFFERE

[2] CLASS OF NONLINEAR BOUNDARY-VALUE PROBLEMS [J]. JOURNAL OF DIFFERENTIAL EQUATIONS, 1977, 26 (01) : 1 - 8

[3] Krasnosel'skii M., 1964, TOPOLOGICAL METHODS

[4] LAZER AC, 1969, MICH MATH J, V16, P193

[5] MAWHIN J, 1976, SCRIPTA FS NATUR UJE, V12, P67

[6] Reissig R, 1975, ATTI ACCAD NAZ LINCE, V58, P696

[7] PERIODIC-SOLUTIONS OF PERTURBED CONSERVATIVE SYSTEMS [J]. PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 1978, 72 (02) : 281 - 285

[8] [No title captured]