Yeah their import restrictions are brutal. Only way I'd see the people of Argentina being able to easily get bitcoins is for a bitcoin company to startup in argentina that ALSO gives a kickback to the government. IE the company charges market price + their own fee + small extra fee for kickback to government. That way the more people that buy bitcoin with the peso, the more money the government also makes. Otherwise I don't see their government approving any outflow of pesos to other stores of value.
The people of Argentina would probably go for this type of business model....considering that their inflation this year will probably be >30%, I'd doubt they would mind a 2% extra fee as a government kickback in order to offset the inflation that will take place on their peso.
Essentially the government agreeing to replace the peso by BTC, and then taxing the people.