TY JOUR TI The Principles for Development and Visualization of Analytical Surfaces’ Objects and Perspectives for Their Using at Architecture and Building Constructions KW geometry of surfaces KW quadratic forms coefficients KW classes of surfaces KW thin-walled space constructions. JO Geometry & Graphics AU Ivanov, V.N. AU Krivoshapko, S.N. AU Romanova, V.A. PY 2017 IS 5 PB INFRA-M Academic Publishing LLC.