For citations:

Chelnokov Yu.N., Molodenkov A.V. Quaternion Algorithm for Initial Alignment of Strapdown INS Using the A. N. Tikhonov Regularization Method. Mekhatronika, Avtomatizatsiya, Upravlenie. 2021;22(4):217-224. (In Russ.) https://doi.org/10.17587/mau.22.217-224