TY CONF TI The mass function of young spectroscopic binaries and stars with protoplanetary disks KW stars: pre-main sequence KW binaries: spectroscopic KW mass function; methods: statistical JO Modern astronomy: from the Early Universe to exoplanets and black holes AU Eretnova, O.. AU Tarasova, D.. AU Dryomova, G.. PY 2024 PB Special Astrophysical Observatory of the Russian Academy of Sciences