On Whitehead products

Kuo Tsai Chen
1972 Proceedings of the American Mathematical Society  
For every (n-1 )-connected space X, the image of the Whitehead product map wn(A')X7T"(Ar)->-7r2"_1(A') is estimated in
doi:10.1090/s0002-9939-1972-0298659-8 fatcat:aga6kd7kgnfojl3io2yi7z5nvm