@inproceedings { Gutman19890906,
author = "Gutman A.E.",
title = "On disjointness preserving operators in Banach--Kantorovich spaces",
booktitle = "XIV School on the theory of operators in function spaces (Novgorod, September 6--14, 1989): Proceedings",
address = "Novgorod",
year = "1989",
volume = "1",
pages = "75",
language = "russian",
annote = "For a disjointness preserving linear operator acting from an arbitrary Banach--Kantorovich space in a universally complete Banach--Kantorovich space the equivalence is established of its $r$-$o$-continuity, $r$-continuity, majorizability, and multiplicativity on principal ideals."
}