%0 Journal Article
%T BLOCK SYSTEM OF CREATING EDUCATIONAL AND TRAINING CLASSES IN TRACK AND FIELD ATHLETICS FOR LEVEL INCREASE OF PHYSICAL FITNESS TO PASS «READY FOR LABOR AND DEFENSE» COMPLEX
%A Kovalchuk, O.G.
%K 
%J Bulletin of Nizhnevartovsk State University
%D 2017
%N 
%P 6
%I Nizhnevartovsk State University