@article {7983,
	title = {Quaternionic scalar field in the real Hilbert space},
	journal = {Int. J. Mod. Phys. A},
	volume = {37},
	year = {2022},
	pages = {2250101},
	url = {https://www.worldscientific.com/doi/10.1142/S0217751X22501019}
}
