Mikhailets V, Pelekhata O, Reva N. On the Kiguradze theorem for linear boundary-value problems . Dopov. Nac. akad. nauk Ukr. [Internet]. 2024 Sep. 23 [cited 2024 Dec. 23];(12):8-13. Available from: https://nasu-periodicals.org.ua/index.php/dp/article/view/7829