@article{10_4153_CJM_2005_050_7,
     author = {Lindstr\"om, Mikael and Saksman, Eero and Tylli, Hans-Olav},
     title = {Strictly {Singular} and {Cosingular} {Multiplications}},
     journal = {Canadian journal of mathematics},
     pages = {1249--1278},
     year = {2005},
     volume = {57},
     number = {6},
     doi = {10.4153/CJM-2005-050-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-050-7/}
}