In addition to the many action-type prefixes there is a suffix that sometimes has an action-type meaning 'once, one time': -нуть. The dictionary label is Pf-once. Here is the verb meaning 'cough' with all three action-type Perfectives:
Simple verb Pf-awhile Pf-begin Pf-once
кђшлять 'cough' покђшлять 'cough a bit' закђшлять 'start coughing' кђшлянуть 'cough (once)'