Akimov, Pavel A, Vladimir N. Sidorov, and Oleg A. Negrozov. 2017. “ABOUT SOLUTION OF MULTIPOINT BOUNDARY PROBLEMS OF TWO-DIMENSIONAL STRUCTURAL ANALYSIS WITH THE USE OF COMBINED APPLICATION OF FINITE ELEMENT METHOD AND DISCRETE-CONTINUAL FINITE ELEMENT METHOD PART 1: FORMULATION AND BASIC PRINCIPLES OF APPROXIMATION”. International Journal for Computational Civil and Structural Engineering 13 (1):23-33. https://doi.org/10.22337/2587-9618-2017-13-1-23-33.