Askarova A, Safarik P, Bolegenova S, Mazhrenova N, Bolegenova S, Nugymanova A. Calculation of standards for permissible environmental impact for boilers with known technical characteristics. Rec.Contr.Phys. 2020;2020(1):90-95. doi:10.26577/RCPh.2020.v72.i1.11