One,3-Dipolar Cycloadditions of Heterocycles. /1,3-dipolárne cykloprídavky heterocyklov./ 3a,4,6,6a-tetrahydrofuro/3,4-d/isoxazoles and 2-Phenyl-6- aryl-3-hydroxy-1,2,3,3a,6a,7-hexahydroisoxazolo/4,5-d/pyridazin-7- ones ; P. Oravec, Ľ. Fišera, N. Prónayová, R. Gažo
by: Oravec, P., et al.