@article{10_4153_CJM_1978_088_2,
     author = {Gohberg, I. and Lancaster, P. and Rodman, L.},
     title = {Representations and {Divisibility} of {Operator} {Polynomials}},
     journal = {Canadian journal of mathematics},
     pages = {1045--1069},
     year = {1978},
     volume = {30},
     number = {5},
     doi = {10.4153/CJM-1978-088-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-088-2/}
}