For citations:

Yuyukin I.V. Map-aiding of the additional secondary factors isosurface by the spline approximation method as a condition of improving the e-Loran observations accuracy. Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova. 2024;16(1):37-54. (In Russ.) https://doi.org/10.21821/2309-5180-2024-16-1-37-54