@article{10_4064_fm_127_3_247_248, author = {Angel Guti\'errez and Salvador Romaguera}, title = {A note on a paper of {J.A.} {Guthrie} and {M.} {Henry}}, journal = {Fundamenta Mathematicae}, pages = {247--248}, publisher = {mathdoc}, volume = {127}, number = {3}, year = {1987}, doi = {10.4064/fm-127-3-247-248}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-127-3-247-248/} }