GEM - International Journal on Geomathematics
GEM - International Journal on Geomathematics > 2011 > 1 > 2 > 167-204
GEM - International Journal on Geomathematics > 2017 > 8 > 1 > 43-56
GEM - International Journal on Geomathematics > 2011 > 1 > 2 > 167-204
GEM - International Journal on Geomathematics > 2017 > 8 > 1 > 43-56