Published in Transactions of the American Mathematical Society (01.12.2016)

by Christoffersen, Nicholas, Dutkay, Dorin Ervin, Picioroaga, Gabriel, Weber, Eric S.
Published in Mathematische Zeitschrift (01.05.2023)

by Young Koo, Yoo, Kun Lim, Jae, Shin, In-Sook
Published in Linear & multilinear algebra (01.05.2008)

by Farkov, Yu. A.
Published in Journal of mathematical sciences (New York, N.Y.) (09.05.2022)

by Christoffersen, Nicholas, Dutkay, Dorin Ervin, Picioroaga, Gabriel, Weber, Eric
Year of Publication 24.01.2022

by Christoffersen, Nicholas, Dorin Ervin Dutkay, Picioroaga, Gabriel, Weber, Eric
Published in arXiv.org (12.01.2023)

by Jorgensen, Palle, Tian, Feng
Published in Journal of mathematical physics (01.04.2015)

by Jorgensen, Palle, Tian, Feng
Published in arXiv.org (08.03.2015)

by Shah, Firdous A., Ahmad, Owais
Published in Journal of geometry and physics (01.10.2017)

by Wu, Guochang, Li, Dengfeng
Published in Taiwanese journal of mathematics (01.10.2014)

by Grohs, Philipp, Kutyniok, Gitta
Published in Foundations of computational mathematics (01.04.2014)