@article{10_1017_S0008439500027752,
     author = {Schirmer, Helga},
     title = {Theory of {Retracts,} by {Sze-Tsen} {Hu.} {Wayne} {State} {University} {Press,} {Detroit,} 1965. 234 pages. $13.50.},
     journal = {Canadian mathematical bulletin},
     pages = {145--146},
     year = {1967},
     volume = {10},
     number = {1},
     doi = {10.1017/S0008439500027752},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500027752/}
}