@article{AM2_1986__31_137144,
     author = {Isidore Fleischer},
     title = {Symmetry classes of tensors via semigroup operands.},
     journal = {Aequationes mathematicae},
     pages = {76--80},
     year = {1986},
     volume = {31},
     zbl = {0618.15020},
     url = {http://geodesic.mathdoc.fr/item/AM2_1986__31_137144/}
}