References
- Bank , S.B. and Laine , I. 1982 . On the oscillation theory of where A is entire . Trans. Amer Math. Soc , 273 : 351 – 363 .
- Bank , S.B. and Laine , I. 1983 . On the zeros of meromorphic solutions of second-order linear differential equations . Comment. Math. Helv. , 58 : 656 – 677 .
- Bank , S.B. 1985 . On the value distribution theory for entire functions of second-order linear differential equations . Proc. London Math. Soc , 50 ( 3 ) : 505 – 534 .
- Bank , S.B. , Laine , I. and Langley , J .K. 1986 . On the frequency of zeros of solutions of second order linear differential equations . Results in Math. , 10 ( 3 ) : 8 – 24 .
- Pöschl , K. 1953 . Zur Frage des Maximalbetrages der Lösungen linearer Differentialgleichungen zweiter Ordnung mit Polynomkoeffizienten . Math. Ann , 125 ( 3 ) : 344 – 349 .
- Hayman , W.K. 1959 . Picard values of meromorphic functions and their derivatives. . Ann. of Math. , 70 : 9 – 42 .
- Hayman , W.K. 1964 . Meromorphic Functions , Oxford University Press .
- Hille , L. 1976 . Ordinary Differential Equations in the Complex Domain , New York : Wiley-Interscience .
- Rossi , J. 1986 . Second order differential equations with transcendental coefficients . Proc. Amer. Math. Soc. , 97 : 61 – 66 .