@article{10_4153_CJM_1972_030_x, author = {McDonald, B. R.}, title = {Involutory {Matrices} {Over} {Finite} {Local} {Rings}}, journal = {Canadian journal of mathematics}, pages = {369--378}, year = {1972}, volume = {24}, number = {3}, doi = {10.4153/CJM-1972-030-x}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-030-x/} }