Contacts:

Prof. Dmytro Horbachov

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Kyiv,

Ukraine

For attribution with registration of certificate of authenticity of product it is necessary:

• send a quality photo* of work by mail or e-mail, also photo of the signature, description of the work sizes, inscriptions and stamps on the work and return party of the work

• show of original work.

*size of a photo: by e-mail - 3.000 pixels or greater (jpg format), by mail - 13x18 cm or greater.