Smooth the process of becoming head of state with respect to time, in various ways such as indirect election by a rolling elected panel. (politics.stackexchange.com)
A new system of local government is arising based on indirect election. (blog.politics.ox.ac.uk)
The system remained unused in public elections until 1855, when Carl Andræ proposed a transferable vote system for elections in Denmark, and his system was used in 1856 to elect the Rigsraad and from 1866 it was also adapted for indirect elections to the second chamber, the Landsting, until 1915. (en.wikipedia.org)