On numerically realizable explicit formulas for solutions of 2- and 3-dimensional equations {\rm div} \big (\alpha \nabla w \big) = 0div(α∇w)=0, {\rm div} \big (\beta (w) \nabla w \big) = 0div(β(w)∇w)=0 with Cauchy data on the analytic boundaryдоклад на конференции