Resonance problems with nonlinearity interfering with eigenvalues of higher order^heigen

References

• Ahmad , S. 1984 . Proc. Amer, Math. Soc. , 92 : 381 – 384 .
   Web of Science ®Google Scholar
• Arias , M. 1986 . Proc. Amer. Math. Soc. , 97 : 121 – 127 .
   Google Scholar
• Brezis , H. and Niremberg , L. 1978 . Ann. Scuola Norm. Sup. Pisa Cl.Scl , 5 ( 4 ) : 225 – 326 .
   Google Scholar
• Cesari , L. and Kannan , R. 1983 . Proc. Amer. Math. Soc. , 88 ( 4 ) : 605 – 613 .
   Web of Science ®Google Scholar
• Landesman , E. M. and Lazer , A.C. 1970 . J. Math. Mech. , 19 ( 4 ) : 609 – 623 .
   Google Scholar
• Courant , R. and Hilbert , D. 1965 . Methods of Mathematical Physics , I ( 4 ) Interscience
   Google Scholar
• Mawhin , J. 1977 . Conf. Sem. Mat. Univ. Bari , 147 ( 4 )
   Google Scholar