Vallin, R.W.. "On metric preserving functions and infinite derivatives.." Acta Mathematica Universitatis Comenianae. New Series 67.2 (1998): 373-376. <http://eudml.org/doc/119957>.
@article{Vallin1998, author = {Vallin, R.W.}, journal = {Acta Mathematica Universitatis Comenianae. New Series}, language = {eng}, number = {2}, pages = {373-376}, publisher = {Comenius University Press}, title = {On metric preserving functions and infinite derivatives.}, url = {http://eudml.org/doc/119957}, volume = {67}, year = {1998}, }
TY - JOUR AU - Vallin, R.W. TI - On metric preserving functions and infinite derivatives. JO - Acta Mathematica Universitatis Comenianae. New Series PY - 1998 PB - Comenius University Press VL - 67 IS - 2 SP - 373 EP - 376 LA - eng UR - http://eudml.org/doc/119957 ER -