00690naa#a2200181#i#450# EN\INFRA-M\bibl\70497 20260320060617.5 2306-1731 20230925b2023####ek#y0engy0150####ca RU The Formation of Stress Resistance Among Pupils-Sportsmen Within the Framework of Additional Education for Children Journal article Moscow INFRA-M Academic Publishing LLC. 2023 5 с. Journal article local Высшее образование. Высшая школа. Подготовка научных кадров. 378 Popov A. A. Yulina Galina Nikolaevna naukaru.ru