2013
Skanavi - Problemsbook 6th ed ru
    9D380602EBEE5C0AD5DFCBF53D5075DF
Solutions
    2C7101A6DA946C50B9F6240C55D2F85C
    1EDD8BF371B76A79ED9219E2AFC11D6E

1992
Skanavi - Problemsbook Algebra 6th ed ru
Skanavi - Problemsbook Geometry 6th ed ru