TY JOUR TI Dialectics of form and content of criminal procedure law of Russia KW dialectical materialism KW the form and nature of law KW criminal process KW the reason for the institution of criminal proceedings stage of the criminal process KW the purpose of criminal proceedings JO Legal Science and Practice: Journal of Nizhny Novgorod Academy of the Ministry of Internal Affairs of Russia AU Alekseev, I.M. AU Antonov, I.A. PY 2019 IS 2019 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia