OPTIMIZATION OF SYNTHESIS CONDITIONS OF lead-barium titanate-zirconate COMPOSITES CONTAINING METAL ATOMS AND THEIR DIELECTRIC PROPERTIES - L. I. Gurskii; J. .. Macutkevic; M. N. Saraseko; A. G. Poddubskaya; A. V. Petrov; N. A. Kalanda; A. A. Klimsa; O. V. Ignatenko; P. N. Kireev (Doklady Belorusskogo gosudarstvennogo universiteta informatiki i radioèlektroniki, 2019)