@article{10_1017_S000843950003157X,
     author = {Turner, J. E.},
     title = {Fields and/or {Particles,} by {D.} {K.} {Sen.} x+139 pages. {Ryerson} {Press,} {Toronto;} {Academic} {Press,} {London,} 1968. 50s.},
     journal = {Canadian mathematical bulletin},
     pages = {315--316},
     year = {1972},
     volume = {15},
     number = {2},
     doi = {10.1017/S000843950003157X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S000843950003157X/}
}