@article{GDZPPN002359731, title = {Multiplicities of solutions to some enumerative contact problems.}, journal = {Mathematica Scandinavica}, volume = {63}, year = {1988}, pages = {87-108}, zbl = {0688.14051}, url = {http://dml.mathdoc.fr/item/GDZPPN002359731} }
Johnsen, Trygve. Multiplicities of solutions to some enumerative contact problems.. Mathematica Scandinavica, Tome 63 (1988) pp. 87-108. http://gdmltest.u-ga.fr/item/GDZPPN002359731/