@Article{ authors = " Julian Ławrynowicz", title = "On Time-Optimal Control of Linear Plant with Disturbances and Unsymmetrical Bounds for the Optimal Control Signal", journal = "Bulletin de la Société des Science et des Lettres de Łódź. Serie: Recherches sur les Déformations", issue = "1986 / Numer 22", pages = "1 - 13" }