Marcus, Marvin. "Pencils of real symmetric matrices and the numerical range. (Short Communication).." Aequationes mathematicae 16 (1977): 193-193. <http://eudml.org/doc/136693>.
@article{Marcus1977, author = {Marcus, Marvin}, journal = {Aequationes mathematicae}, pages = {193-193}, title = {Pencils of real symmetric matrices and the numerical range. (Short Communication).}, url = {http://eudml.org/doc/136693}, volume = {16}, year = {1977}, }
TY - JOUR AU - Marcus, Marvin TI - Pencils of real symmetric matrices and the numerical range. (Short Communication). JO - Aequationes mathematicae PY - 1977 VL - 16 SP - 193 EP - 193 UR - http://eudml.org/doc/136693 ER -