**PROBABILITY AND MATHEMATICAL STATISTICS**

is published by the Kazimierz Urbanik Center for Probability
and Mathematical Statistics, and is sponsored jointly by the Faculty of Mathematics and Computer
Science of University of Wrocław
and the Faculty of Pure and Applied Mathematics of Wrocław
University of Science and Technology. The
purpose of the journal is to publish original contributions
to the theory of probability and mathematical statistics.

Probability and Mathematical Statistics was founded in 1980
and its establishment was a result of the initiative of the
Wrocław probability community led by Kazimierz Urbanik and
Czesław Ryll-Nardzewski, and statistics community represented
by Witold Klonecki. They served as Editors of the journal during
the first twenty-five years of its existence, with Urbanik
shouldering the role of the Editor-in-Chief. Beginning with 2007, PMS became an
affiliated journal of the Institute of Mathematical Statistics (IMS),
San Francisco, CA. PMS (ISSN 0208-4147) is indexed by Scopus, Index Copernicus and Journal Citation Reports (2019 IF=0.617).

PMS is a diamond open-access journal, offering unrestricted access to its content without any delays or costs to readers or authors.
All papers are refereed. Decisions on acceptance of papers are
made by the Editorial Board.
Manuscripts should be prepared in LaTeX and submitted as pdf files to

PMS Editorial System

All other correspondence concerning PMS should be sent to the email address pms@math.uni.wroc.pl

PROBABILITY AND MATHEMATICAL STATISTICS is published in one volume (two issues) a year. Orders for subscriptions and back fascicles should be addressed to:

Wrocżaw University of Science and Technology

Publishing House

Wybrzeże Wyspiańskiego 27

50-370 Wrocław, Poland

e-mail: oficwyd@pwr.edu.pl

Subscription information (2021): Vol. 41 (2 issues); €50.