Equivalence Theorems, Analysis, and Synthesis of Single-Phase Induction Motors with Multiple Nonquadrature Windings [includes discussion]

[1]  A. F. Puchstein,et al.  Capacitor Motors With Windings Not in Quadrature , 1935, Transactions of the American Institute of Electrical Engineers.

[2]  W. V. Lyon,et al.  Analysis of Unsymmetrical Machines , 1936, Transactions of the American Institute of Electrical Engineers.