Neurocomputing with High Dimensional Parameters - High Dimensional Neurocomputing: Growth, Appraisal and Applications - page 42

18. Leo, S.D., Rotelli, P.P.: Quaternonic analyticity. Appl. Math. Lett. 16 , 1077-1081 (2003)
19. Schwartz, C.: Calculus with a quaternionic variable. J. Math. Phys. 50 , 013523:1013523:11
(2009)
20. Mandic, D., Goh, V.S.L.: Complex Valued Nonlinear Adaptive Filters: Noncircularity, Widely
Linear and Neural Models. Wiley, Hoboken (2009)
21. Nitta, T.: A quaternary version of the backpropagation algorithm. In: Proceedings of IEEE
International Conference on Neural Networks, vol. 5, pp. 2753-2756 (1995)
22. Nitta, T.: N-dimensional vector neuron. IJCAI Workshop, Hyderabad, India (2007)