@article{VTAMU_2025_30_149_a6,
     author = {D. L. Stupin},
     title = {Sharp estimate of the third coefficient for bounded non-vanishing holomorphic functions with real coefficients},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {79--92},
     publisher = {mathdoc},
     volume = {30},
     number = {149},
     year = {2025},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2025_30_149_a6/}
}