Miroslav Olsák. Loop conditions for strongly connected digraphs. IJAC, 30(03):467-499, 2020. [doi]
@article{Olsak20-0, title = {Loop conditions for strongly connected digraphs}, author = {Miroslav Olsák}, year = {2020}, doi = {10.1142/s0218196720500083}, url = {https://doi.org/10.1142/s0218196720500083}, researchr = {https://researchr.org/publication/Olsak20-0}, cites = {0}, citedby = {0}, journal = {IJAC}, volume = {30}, number = {03}, pages = {467-499}, }