Parallel lines are indicated by arrows going in the same direction. Parallel lines are indicated by arrows going in the same direction. If there is more than one set of parallel lines in a diagram, ...
Certain packing and covering problems associated with the common partial transversals of two families $\mathcal{U}$ and $\mathcal{B}$ of subsets of a set $E$ are ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results