00747naa#a2200205#i#450# EN\\bibl\121769 20260429205446.3 2072-9502 20260427b2026####ek#y0engy0150####ca RU On the generation of 12-channel electrocardiograms based on a hybrid of diffusion and graph neural network models Journal article Astrakhan Astrakhan State Technical University 2026 7 с. Journal article local Искусственный интеллект. 004.8 Schetinin Evgeniy Yur'evich Pestryakova Anna Vyacheslavovna Shatalova Julia Georgievna Shevchuk Andrey Andreevich vestnik.astu.org