A.V. Terentev – Head of Department,

LTD «STC» (St. Petersburg)

Email: avt982@gmail.com

A.A. Borozdin – Software Engineer, LTD «STC» (St. Petersburg)

Email: andrewborozdin@yandex.ru

I.V. Sotnikov – Software Engineer,

LTD «STC» (St. Petersburg)

Email: stn_iv@list.ru