Russian standart language
Elena V. Korpechkova. Dónelzya, Donélzya or Donelzyá? Peculiarities of Stress Patterns in Certain Adverbs
Russian Speech. 2025. № 5, Pages. 22 - 29
D. M. Savinov. Complete Reduction of Unstressed Vowels in the Standard Russian Language and its Reflection in Dictionaries
Russian Speech. 2024. № 4, Pages. 54 - 62