D. LEVKIN, A. KRAVTSOV, O. ZAVGORODNIY, and Y. KOTKO, “SOLUTION OF NONLINEAR OPTIMIZATION PROBLEMS OF HEAT TRANSFER THEORY”, Herald of Khmelnytskyi National University. Technical sciences, vol. 347, no. 1, pp. 221–226, Jan. 2025, doi: 10.31891/2307-5732-2025-347-29.