TY JOUR TI Analytical Solution of the Task of Boundary Determining of Flow Spreading KW mathematical model KW 2D water flow KW equations of motion KW open channel hydraulics KW analytical solution KW simple wave JO Construction and Architecture AU Burtseva, O.A. AU Kochanenko, V.N. AU Kondratenko, A.I. AU Evtushenko, S.I. PY 2023 IS 11 PB Publishing Center RIOR