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Document # ppae-18

## On Lebesgue Theorem for multivalued functions of two variables

### Grazyna Kwiecinska

Proceedings of the Ninth Prague Topological Symposium
(2001)
pp. 181-189
In the paper we investigate Borel classes of multivalued functions of two
variables.
In particular we generalize a result of Marczewski and Ryll-Nardzewski
concerning of real function whose ones of its sections are
right-continuous and other ones are of Borel class \alpha, into the case
of multivalued functions.

Mathematics Subject Classification. 54C60 54C08 28B20.

Keywords. multivalued functions, semi-continuity of multivalued
functions, Baire classes of multivalued functions.

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Copyright © 2002
Charles University and
Topology Atlas.
Published April 2002.