The following year, from 7 to 10 September, he attended the First Polish Mathematical Congress held at Lvov as part of the Warsaw contingent and lectured to the conference.
Ang mga sumusunod na mga taon, 7-10 Setyembre, siya nag-aral sa Unang Polish matematiko Congress gaganapin sa Lvov bilang bahagi ng Warsaw ng inaasahan at lectured sa conference.