@article{SM_2025_216_1_a4,
     author = {Sh. Tian},
     title = {Slim exceptional sets of {Waring--Goldbach} problem: two squares, two cubes and two biquadrates},
     journal = {Sbornik. Mathematics},
     pages = {87--98},
     publisher = {mathdoc},
     volume = {216},
     number = {1},
     year = {2025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2025_216_1_a4/}
}