%0 Conference Article %T Stellar wind velocity of the massive component in the high mass X-ray binary OAO 1657$-$415 %A Ikhsanov, N.. %A Beskrovnaya, N.. %A Kim, V.. %K stars: pulsars: general, winds, outflows; X-rays: binaries; accretion; individual: OAO 1657–415 %J Modern astronomy: from the Early Universe to exoplanets and black holes %D 2024 %P 3 %I Special Astrophysical Observatory of the Russian Academy of Sciences