A. P. Holub, O. A. Pozharskiy, and L. O. Chernetska, “Generalized moment representations and multivariate multipoint Padé-type approximants”, Ukr. Mat. Zhurn., vol. 71, no. 10, pp. 1331–1346, Feb. 2026, doi: 10.3842/umzh.v71i10.1518.