Peculiarities of mechanisms formation of VanBn–1O3n-type (V = Nb, Ta, Sn, n =5, 6) compounds from the systems of co-precipitated hydroxy-carbonates - Yu. O. Titov; M. S. Slobodianyk; V. V. Polubinskyi; N. M. Biliavyna; Ya. Markiv; V. V. Chumak (Ukrainian Chemistry Journal, 2013)