@article{Aikawa_1980, title={3-dimensional cohomology of the mod $p$ Steenrod algebra.}, volume={47}, url={https://www.mscand.dk/article/view/11876}, DOI={10.7146/math.scand.a-11876}, journal={MATHEMATICA SCANDINAVICA}, author={Aikawa, Tetsuya}, year={1980}, month={Jun.}, pages={91–115} }