Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OCHIAI Mitsuyuki,A counterexample to a conjecture of Whitehead and Volodin-Kuznetsov-Fomenko,Journal of the Mathematical Society of Japan,00255645,The Mathematical Society of Japan,1979,31,4,687-691,https://cir.nii.ac.jp/crid/1390001205115349120,https://doi.org/10.2969/jmsj/03140687