New case of probable identity of two substances described as two different
1912 E. S. Fedorov
The zero system as a polar system in the linear prima of conoseconds
1912 E. S. Fedorov
Rocks from the Dashkesan deposit
1912 S. A. Doktorovich-Grebnitskii
On the theory of trigonometric series
1912 N. M. Krylov
I. P. Dolbnya
1912 N. M. Krylov
About the Laplace series
1912 N. M. Krylov