Topološko uređenje — разлика између измена

== Reference ==

 

* {{Cite book | last = Cook | first = Stephen A. | authorlink = Stephen Cook| title = A Taxonomy of Problems with Fast Parallel Algorithms | journal = Information and Control | volume = 64 | issue = 1–3| year = 1985 | pages = 2–22

| doi = 10.1016/S0019-9958(85)80041-3}}.