TIME-MAPS FOR THE SOLVABILITY OF PERIODICALLY PERTURBED NONLINEAR DUFFING EQUATIONS

[1] CAPIETTO A, IN PRESS J DIFF EQNS

[2] Dancer E. N., 1976, Bulletin of the Australian Mathematical Society, V15, P321, DOI 10.1017/S0004972700022747

[3] DING T, 1990, EXISTENCE MULTIPLICI

[4] DING T, IN PRESS J DIFF EQNS

[5] DING TG, 1982, SCI SIN A-MATH P A T, V25, P918

[6] AN INFINITE CLASS OF PERIODIC-SOLUTIONS OF PERIODICALLY PERTURBED DUFFING EQUATIONS AT RESONANCE [J]. PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 1982, 86 (01) : 47 - 54

[7] FABRY C, 1987, SEM MATH UCLLN, V117

[8] PERIODIC-SOLUTIONS OF A 2ND-ORDER DIFFERENTIAL-EQUATION WITH ONE-SIDED GROWTH RESTRICTIONS ON THE RESTORING TERM [J]. ARCHIV DER MATHEMATIK, 1988, 51 (02) : 151 - 163

[9] FONDA A, 1989, USE TIME MAPS SOLVAB

[10] Fucik S., 1980, SOLVABILITY NONLINEA

[1] CAPIETTO A, IN PRESS J DIFF EQNS

[2] Dancer E. N., 1976, Bulletin of the Australian Mathematical Society, V15, P321, DOI 10.1017/S0004972700022747

[3] DING T, 1990, EXISTENCE MULTIPLICI

[4] DING T, IN PRESS J DIFF EQNS

[5] DING TG, 1982, SCI SIN A-MATH P A T, V25, P918

[6] AN INFINITE CLASS OF PERIODIC-SOLUTIONS OF PERIODICALLY PERTURBED DUFFING EQUATIONS AT RESONANCE [J]. PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 1982, 86 (01) : 47 - 54

[7] FABRY C, 1987, SEM MATH UCLLN, V117

[8] PERIODIC-SOLUTIONS OF A 2ND-ORDER DIFFERENTIAL-EQUATION WITH ONE-SIDED GROWTH RESTRICTIONS ON THE RESTORING TERM [J]. ARCHIV DER MATHEMATIK, 1988, 51 (02) : 151 - 163

[9] FONDA A, 1989, USE TIME MAPS SOLVAB

[10] Fucik S., 1980, SOLVABILITY NONLINEA