Schur Issai

Publications in Math-Net.Ru

1. Zur Theorie der einfach transitiven Permutationsgruppen [A contribution to theory of transitive permutation groups]
   
   Zap. Nauchn. Sem. POMI, 301 (2003),  5–34
2. On the notion of density in additive number theory
   
   Uspekhi Mat. Nauk, 1940, no. 7,  64–86