2015 SmirnovaSmirnov - Geometric Problems with Practical Content ru 0E9CC3C49748BEA5F952492947646F1A 0CBAD0D4A181F9D67C28500DA9F51715 old A0CA99A5F1D711F5F9E0B56458EDCFFA 33B7CDBFC7EC3226ED80C21A85202E61 2010 SmirnovaSmirnov - 50 Triangle Equality Problems ru 38D75357B82CBAC825E60070ED29231B 4B6F2211B444D06B14515EBFE4B59361 2009 Smirnov - Geometry Planimetry EGE ru DE42FF508491428B2F848781AC4F28ED A60A160A566A742B2A4D57C938610486 2007 SmirnovaSmirnov - Extreme Geometry Problems ru 5E65DAA7230412BE7CBA35985D5B417C DA8B808762AC2410BA761EFD5A1DAFA8 2006 SmirnovaSmirnov - Combinatorial Geometry Problems ru ABDF72CDA47D19C55F931B77F2170847