Not only was Krein dismissed but the whole of the functional analysis school at Odessa was closed down. Potapov, who had been one of Krein's non-Jewish students, tried hard to influence the university authorities to reverse their decisions.
Hindi lamang ay Krein awas ngunit ang kabuuan ng functional analysis paaralan at Odessa ay sarado down. Potapov, na naging isa sa Krein's non-Jewish mga mag-aaral, sinubukan ng husto sa impluwensiya ng mga unibersidad na awtoridad upang baligtarin ang kanilang mga desisyon.