@article{10_4153_CJM_1986_039_1,
     author = {Putcha, Mohan S.},
     title = {A {Semigroup} {Approach} to {Linear} {Algebraic} {Groups} {III.} {Buildings}},
     journal = {Canadian journal of mathematics},
     pages = {751--768},
     year = {1986},
     volume = {38},
     number = {3},
     doi = {10.4153/CJM-1986-039-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-039-1/}
}