00601naa#a2200193#i#450# EN\\bibl\112793 20260118125419.7 2311-1402 20170325b2017####ek#y0engy0150####ca RUS RU FUNCTIONAL STATE OF RESPIRATORY SYSTEM OF SWIMMERS AT DIFFERENT STAGES OF SPORTS TRAINING Journal article Nizhnevartovsk Nizhnevartovsk State University 2017 5 с. Journal article local . 796.01:612:796.012.412.7 RUS Govorukhina А А Vetkalova N S vestnik.nvsu.ru