A MATHEMATICAL METHOD FOR DETERMINING THE TIME OF DIVERGENCE OF JOINT EVOLUTIONARY PATHS OF DEVELOPMENT OF GENETIC ANCESTORS OF NUTS OF SPECIES OF THE GENUS JUGLANS L AND CARYA (CARYA), AND ITS IMPORTANCE FOR ACCELERATED PRACTICAL SYNTHETIC (F) BREEDING. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE KYRGYZ REPUBLIC, n. 9, p. 58–66, 7 Feb.2026.