Verification of lira-sapr calculation of i-beams with two symmetry axes for general stability in transverse bending in the plane with maximum stiffnessS.A. Makeev, N.G. Silina, A.A. Komlev and M.A. StupinE3S Web of Conf., 413 (2023) 05005DOI: https://doi.org/10.1051/e3sconf/202341305005