Expediting the spinning top problem with a small
amount of Clifford algebra,
American Journal of Physics,
August 1986, Volume 54, Issue 8, pp. 708-712
Snygg, John
The Heisenberg picture and the density operator,
American Journal of Physics,
October 1982, Volume 50, Issue 10, pp. 906-909
Snygg, John
Use of operator wave functions to construct a refined correspondence
principle via the quantum mechanics of Wigner and Moyal,
American Journal of Physics,
November 1980, Volume 48, Issue 11, pp. 964-970
Snygg, John
Wave functions rotated in phase space,
American Journal of Physics,
January 1977, Volume 45, Issue 1, pp. 58-60