Problem 10896. - Torben Maack Bisgaard; Zsolt Páles; Zoltán Sasvári (Am. Math. Mon., 2001)

Determinant of a Matrix in Two Variables: 10896. - Torben Maack Bisgaard; Zsolt Páles; Zoltán Sasvári; Richard Bagby (Am. Math. Mon., 2003)