Zipser, Tadeusz; Zipser, Wawrzyniec - 2011
and development density lead to socioeconomic space discontinuities. In the "spherical" model all subareas are … characterized by coordinates on some "basic" spherical surface. The basic "air" distance between them can thus be identified … distances from the centre of the sphere. Thus connections longer or shorter than the basic distance are to be found on an other …