Georgiou, Paul. "A Semigroup Structure in the Space of Liftings.." Mathematische Annalen 208 (1974): 195-202. <http://eudml.org/doc/162568>.
@article{Georgiou1974, author = {Georgiou, Paul}, journal = {Mathematische Annalen}, pages = {195-202}, title = {A Semigroup Structure in the Space of Liftings.}, url = {http://eudml.org/doc/162568}, volume = {208}, year = {1974}, }
TY - JOUR AU - Georgiou, Paul TI - A Semigroup Structure in the Space of Liftings. JO - Mathematische Annalen PY - 1974 VL - 208 SP - 195 EP - 202 UR - http://eudml.org/doc/162568 ER -
