The original article claims that this was the program used by Davidsen to win the world championship in 1997. The program is three days per week. Monday is the heavy day for bench and squat. Wednesday is the heavy deadlift day. Friday is a light day for practicing form. Simple and effective.
Week 1:
Monday
Benchpress: 5 sets of 3 reps @ 10 kg less than your 3RM
Squats: 5 sets of 3 reps @ 20 kg less than your 3RM
Close Grip Benchpress: 5 sets of 3 reps @ 10 kg less than your 3RM
Wednesday
Medium Grip Benchpress: 5 sets of 3 reps @ 10 kg less than your 3RM
Deadlift: 5 sets of 3 reps @ 20 kg less than your 3RM
Friday
Benchpress: 5 sets of 3 reps @ 10 kg less than your 3RM
Squats: 5 sets of 3 reps @ 10 kg less than your 3RM
Close Grip Benchpress: 5 sets of 3 reps @ 10 kg less than your 3RM
Week 2:
Monday
Benchpress: 5 sets of 3 reps @ 2,5kg more than last monday
Squats: 5 sets of 3 reps @ 5kg more than last monday
Close Grip Benchpress: 5 sets of 3 reps @ 2,5kg more than last monday
Wednesday
Medium Grip Benchpress: 5 sets of 3 reps @ same weight as last wednesday
Deadlift: 5 sets of 3 reps @ 5kg more than last wednesday
Friday
Same as last friday.
Week 3-End of program(I guess the program ends when you can't do 3x3 on the heavy days anymore)
Monday
Benchpress: Keep adding 2,5 kg for the 5 sets of 3. When this gets to hard move to 3 sets of 3.
Squats: Keep adding 5 kg for the 5 sets of 3. When this gets to hard move to 3 sets of 3.
Close Grip Benchpress: Keep adding 2,5 kg for the 5 sets of 3. When this gets to hard move to 3 sets of 3.
Wednesday
Medium Grip Benchpress: Same as week 1 throughout the entire program
Deadlift: Keep adding 5 kg for the 5 sets of 3. When this gets to hard move to 3 sets of 3.
Friday
The whole workout stays the same throughout the entire program.
