@article{ZNSL_2023_529_a9,
     author = {V. Solovyev and V. Ivanov and M. Solnyshkina},
     title = {Readability formulas for three levels of {Russian} school textbooks},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {140--156},
     publisher = {mathdoc},
     volume = {529},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2023_529_a9/}
}