[1] D. Bobrowski:
Asymptotic behaviour of functionally bounded solutions of the third order nonlinear differential equation. Fasc. Math. (Poznaň) 10, (1978), 67-76.
MR 0492524 |
Zbl 0432.34035
[2] M. Greguš:
Third order linear differential equations. D. Reidel Publishing Company, Dordrecht, Boston, Lancasteг, Tokyo, 1987.
MR 0882545
[3] N. Parhi, S. Parhi:
Nonoscillation and asymptotic behaviour for forced nonlinear third order differential equations. Bull. Inst. Acad. Sinica 13, (1985), 376-384.
Zbl 0581.34026
[4] N. Parhi, S. Parhi:
Oscillation and nonoscillation theorems for nonhomogeneous third order differential equations. Bull. Inst. Acad. Sinica 11, (1983), 125-139.
MR 0723021 |
Zbl 0522.34028
[5] G. Sansone: Equazioni differenziali nel campo reale. Parte prima, Bologna (1948).
[6] G. Sansone:
Equazioni differenziali nel campo reale. Parte seconda, Bologna (1949).
Zbl 0039.30901
[7] V. Šoltes:
O koleblemosti rešenij neliniejnogo differencialnogo uravnenija tretiego porjadka. Math. Slovaca 26, (1976), 217-227.
MR 0427743