[1] T. Kato:
Perturbation Theory for Linear Operators. Springer Verlag, Berlin, Heidelberg, New York, 1966.
MR 0203473 |
Zbl 0148.12601
[2] D. Przeworska-Rolewicz S. Rolewicz: Equations in Linear Ѕpaces. Monografie Matematyczne, T. 47, Warszawa 1968.
[3] Š. Schwabik:
On an Integral Operatoг in the Ѕpace of Functions with Bounded Variations. Čas. pӗst. mat. 97 (1972), 297-330.
MR 0450906
[4] Š. Schwabik: Remark on $d$-characteristic and $d_g$-characteristic of Linear Operators in Banach Ѕpace. Ѕtudia Mathematica XLVIII (1973), 251-255.
[5] M. Tvrdý:
Boundary Value Problems for Linear Generalized Diíferential Equations and their Adjoints. Czech. Math. J. 23 (98), (1973), 183-217.
MR 0320417