00519naa#a2200169#i#450# EN\\bibl\72662 20241204180956.3 2542-1840 20231225b2023####ek#y0engy0150####ca RU Syntactic Maturity in Teenagers with Severe Speech Impairments Journal article Kemerovo Kemerovo State University 2023 6 с. Journal article local El'gart Elena Aleksandrovna Sergeeva Anna Iosifovna vestnik-pses.kemsu.ru