TY JOUR TI On the regulatory and legal structure of the admissibility of evidence and the possibility of its improvement in criminal proceedings KW admissibility KW legality KW standard KW side KW evidence KW inner conviction KW freedom KW formal assessment JO Legal Science and Practice: Journal of Nizhny Novgorod Academy of the Ministry of Internal Affairs of Russia AU Terekhin, V.V. AU Shevchenko, O.A. PY 2023 IS 2023 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia