They provided him with literature on Siberia and the natural sciences, so that during his free time he was able to educate himself and carry out his first research.
وزودوه بالأدب في سيبيريا والعلوم الطبيعية، بحيث يمكنه خلال وقت فارغه ان يثقف نفسه وأن يجري بحثه الأول.