[1] |
Gregu M. Third Order Linear Differential Equations[M]. Dordrecht,Boston,Lancaster:D Reidel Publishing Company,1987.
|
[2] |
Swanson C A. Comparison and Oscillation Theory of Linear Differential Equations[M]. New York:A P,1968.
|
[3] |
Birkhoff G D. On solutions of the ordinary linear differential equations of the third order[J]. Ann Math,1911,12:103-127.
|
[4] |
Gregu M. On some properties of the solutions of a homogeneous linear differential equation of the third order[J]. Mat Fiz Casopis Slovensk Akad Vied,1955,5:73-78.
|
[5] |
Hanan M. Oscillation criteria for third order linear differential equations[J]. Pacific J Math,1961,11:919-944.
|
[6] |
Philos Ch G. Oscillation and asymptotic behaviour of third order differential equations[J]. Bull Inst Math Acad Sinica,1983,11(2):141-160.
|
[7] |
Parhi N. Nonoscillation of solutions of a class of third order differential equations[J]. Acta Math Hungar,1989,54(1-2):79-88.
|
[8] |
Cecchi M,Dǒsl Z,Marini M. On the qualitative behaviour of solutions of third order differential equations[J]. J Math Anal Appl,1996,197(3):749-766.
|
[9] |
Erbe L. Existence of oscillatory solutions and asymptotic behaviour for a class of third order linear differential equations[J]. Pacific J Math,1976,64(2):369-385.
|
[10] |
Heidel J W. Qualitative behaviour of solutions of a third order nonlinear differential equation[J]. Pacific J Math,1968,27:507-526.
|
[11] |
Parhi N. Nonoscillatory behaviour of solutions of nonhomogeneous third order differential equations[J]. Applicable Analysis,1981,12(4):273-285.
|
[12] |
Parhi N,Parhi S. Oscillation and nonoscillation theorems for nonhomogeneous third order differential equations[J]. Bulletin Inst Math Academia Sinica,1983,11(2):125-139.
|
[13] |
Parhi N,Parhi S. Nonoscillation and asymptotic behaviour for forced nonlinear third order differential equations[J]. Bulletin Inst Math Academia Sinica,1985,13(4):367-384.
|
[14] |
Parhi N,Parhi S. On the behaviour solutions of the differential equations(r(t)yd)c+q(t)ycB+p(t)yA=f(t)[J]. Annales Polonici Mathematici,1986,47(2):137-148.
|
[15] |
Parhi N,Parhi S. Qualitative behaviour of solutions of forced nonlinear third order differential equations[J]. Riv Math Univ Parma,1987,13(4):201-210.
|