Dzhumadildaev A.S., Yeliussizov D. Path decompositions of digraphs and their applications to Weyl algebra // Advances in Applied Mathematics. – 2015. – V. 67. – P. 36-54.
Dzhumadildaev A.S., Yeliussizov D. Path decompositions of digraphs and their applications to Weyl algebra // Advances in Applied Mathematics. — 2015. — V. 67. — P. 36-54.