logo
sign_in
A+ CATEGORY SCIENTIFIC UNIT
Institute
About us
Directory Board
Mathematicians
Administration staff
Scientific Council
A+ Category
Guidebook
Events
News
Newsletter
Activities
SIMONS SEMESTERS IN IM PAN
Seminars in IMPAN
Seminars in Warsaw
Seminars Newsletter
Conferences
Faculty Publications
Banach Center
Grants
Awards
Competitions
International programs
Announcements
Library
Będlewo Conference Center
Research teams and centers
PhD Students
Publishing house
Journals and Serials
IMPAN Lecture Notes
Banach Center Publications
Mathematical library
Other books
Mathematical monographies
Preprints
Subscriptions
Subscription license
Shop contact
For authors
Mathematical world
Young Mathematicians Congresses
Polish Mathematical Publishers
Lecture notes
College of Deans and Directors
Links
Distingushed Polish Mathematicians
Other
Guest rooms
Declaration of accessibility
Gender Equality Plan
Equal Treatment Committee
Against mobbing
Bids
HR STRATEGY
GDPR
Bank accounts
Regulations
Institute
+
About us
Directory Board
Mathematicians
Administration staff
Scientific Council
A+ Category
Guidebook
Events
+
News
Newsletter
Activities
+
SIMONS SEMESTERS IN IM PAN
Seminars in IMPAN
Seminars in Warsaw
Seminars Newsletter
Conferences
Faculty Publications
Banach Center
Grants
Awards
Competitions
International programs
Announcements
Library
Będlewo Conference Center
Research teams and centers
PhD Students
Publishing house
+
Journals and Serials
IMPAN Lecture Notes
Banach Center Publications
Mathematical library
Other books
Mathematical monographies
Preprints
Subscriptions
Subscription license
Shop contact
For authors
Mathematical world
+
Young Mathematicians Congresses
Polish Mathematical Publishers
Lecture notes
College of Deans and Directors
Links
Distingushed Polish Mathematicians
Other
+
Guest rooms
Declaration of accessibility
Gender Equality Plan
Equal Treatment Committee
Against mobbing
Bids
HR STRATEGY
GDPR
Bank accounts
Regulations
Contact
search_
Publishing house
/
Journals and Serials
/
Colloquium Mathematicum
/
All issues
Colloquium Mathematicum
All issues
Online First articles
INFORMATION FOR AUTHORS
Search for IMPAN publications
Problèmes
Volume 52 / 1987
Colloquium Mathematicum 52 (1987), 170
DOI: 10.4064/cm-52-1-170
Free download under CC-BY license
Search for IMPAN publications
Search for IMPAN publications
all
title
author
MSCS 2010
Query phrase too short. Type at least 4 characters.
Rewrite code from the image
Reload image
Send
Reload image
Exit
