Ivan Sleszynski (1854–1931) was a Ukrainian mathematician. Sleszynski's main work was on continued fractions, least squares and axiomatic proof theory based on mathematical logic.

External links

* O'Connor, John J.; Robertson, Edmund F., "Ivan Sleszynski", MacTutor History of Mathematics archive, University of St Andrews, http://www-history.mcs.st-andrews.ac.uk/Biographies/Sleszynski.html .