Registration   before April 2017
Abstract submission before 1 April 2017
Significantly reduced fee    before 1 April 2017
Reduced fee   before 1 May 2017
Regular fee after 1 May 2017
Form for visa application
(for participant who needs Russian visa)                                                           
before 1 April 2017
Submission of papers   before 31 July 2017
Conference  3–7 July 2017