ON THE PERIODIC NONLINEARITY AND THE MULTIPLICITY OF SOLUTIONS

[1] CHANG KC, 1986, P S PURE MATH AMS NO

[2] CHANG KC, 1985, INDEFINITE DIMENSION

[3] THE BIRKHOFF-LEWIS FIXED-POINT THEOREM AND A CONJECTURE OF ARNOLD,V.I. [J]. INVENTIONES MATHEMATICAE, 1983, 73 (01) : 33 - 49

[4] FRANKS J, GENERALIZATIONS POIN

[5] JIANG MY, 1987, REPORT PERIODIC SOLU

[6] LISHUJIE, ICTP IC86191 TECH RE

[7] MULTIPLE SOLUTIONS OF THE PERIODIC BOUNDARY-VALUE PROBLEM FOR SOME FORCED PENDULUM-TYPE EQUATIONS [J]. JOURNAL OF DIFFERENTIAL EQUATIONS, 1984, 52 (02) : 264 - 287

[8] MAWHIN J, 1987, FORCED 2ND ORDER CON

[9] A MOUNTAIN PASS THEOREM [J]. JOURNAL OF DIFFERENTIAL EQUATIONS, 1985, 60 (01) : 142 - 149

[10] PUCCI P, 83150 U MINN MATH RE

[1] CHANG KC, 1986, P S PURE MATH AMS NO

[2] CHANG KC, 1985, INDEFINITE DIMENSION

[3] THE BIRKHOFF-LEWIS FIXED-POINT THEOREM AND A CONJECTURE OF ARNOLD,V.I. [J]. INVENTIONES MATHEMATICAE, 1983, 73 (01) : 33 - 49

[4] FRANKS J, GENERALIZATIONS POIN

[5] JIANG MY, 1987, REPORT PERIODIC SOLU

[6] LISHUJIE, ICTP IC86191 TECH RE

[7] MULTIPLE SOLUTIONS OF THE PERIODIC BOUNDARY-VALUE PROBLEM FOR SOME FORCED PENDULUM-TYPE EQUATIONS [J]. JOURNAL OF DIFFERENTIAL EQUATIONS, 1984, 52 (02) : 264 - 287

[8] MAWHIN J, 1987, FORCED 2ND ORDER CON

[9] A MOUNTAIN PASS THEOREM [J]. JOURNAL OF DIFFERENTIAL EQUATIONS, 1985, 60 (01) : 142 - 149

[10] PUCCI P, 83150 U MINN MATH RE