So-called "green series". The series
Sovremennaya Matematika i ee Prilozheniya. Tematicheskie Obzory was
started in 1995 and continues till today, all other series were discontinued in
1992. Some of the issues of
Sovremennaya Matematika i ee Prilozheniya. Tematicheskie Obzory
are confusingly entitled "Algebraic Geometry-1", "Algebra-4", etc., identically
with
Sovremennye Problemy Matematiki. Fundamentalnye Napravleniya series
which was published earlier.
There are unrelated serials with titles identical or similar to some series
(
Sovremennye Problemy Matematiki, and also see below),
published by other entities.
There were also unrelated old Soviet book series
Sovremennye Problemy Matematiki and
Sovremennaya Matematika. Populyarnaya Seriya.