TY CONF TI Determination of the dwarf novae parameters and their temporal changes KW methods: numerical; stars: dwarf novae KW fundamental parameters; individual: FL Psc JO Modern astronomy: from the Early Universe to exoplanets and black holes AU Motorina, E.D. AU Shimansky, V.. AU Dudnik, A.. AU Borisov, N.. PY 2024 PB Special Astrophysical Observatory of the Russian Academy of Sciences