B.P. Chisala

On generating snarks

O.V. Borodin, D.R. Woodall

Short cycles of low weight in normal plane maps with minimum degree 5

B. Zelinka

On the simplex graph operator

H. Galeana-Sánchez

On independent sets and non-augmentable paths in directed graphs

V.E. Levit, E. Mandrescu

On hereditary properties of composition graphs

H. Galeana-Sánchez, H.A. Rincón Mejía

A sufficient condition for the existence of k-kernels in digraphs

B. Zelinka

Graphs maximal with respect to absence of hamiltonian paths

A. Haviar, R. Nedela

On varieties of graphs

K. Bryś, M. Kouider, Z. Lonc, M. Maheo

Decomposition of multigraphs

D. Froncek

2-halvable complete 4-partite graphs

H. Galeana-Sánchez, S. Rajsbaum

A conjecture on cycle-pancyclism in tournaments