@article{IM2_2025_89_1_a7,
     author = {D. V. Treschev},
     title = {Normalization flow in the presence of a~resonance},
     journal = {Izvestiya. Mathematics },
     pages = {172--195},
     publisher = {mathdoc},
     volume = {89},
     number = {1},
     year = {2025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2025_89_1_a7/}
}